5.10.x out of tree

/opt/resy/3.2.66/multi-v7-ml/imx6q-phytec-mira-rdk-nand/environment-setup-armv7at2hf-vfp-resy-linux-gnueabi
+ source /opt/resy/3.2.66/multi-v7-ml/imx6q-phytec-mira-rdk-nand/environment-setup-armv7at2hf-vfp-resy-linux-gnueabi
+ press <ENTER> to go on

declare -x CROSS_COMPILE="arm-resy-linux-gnueabi-"
+ I think I have INTERNET access
Building with KERNELDIR = /home/student/imx6q-phytec-mira-rdk-nand/linux-stable-custom
rm -rf *.o *~ core .depend .*.cmd *.ko *.mod.c .tmp_versions Module.symvers Module.markers modules.order *.mod
Building with KERNELDIR = /home/student/imx6q-phytec-mira-rdk-nand/linux-stable-custom
make -C /home/student/imx6q-phytec-mira-rdk-nand/linux-stable-custom M=/datastore/home/student/projects/elin-3.0/yocto-multi-v7-ml/elin-for-trainer/src/04_hello_kernel_0 modules
make[1]: Entering directory '/home/student/imx6q-phytec-mira-rdk-nand/linux-stable-custom'
Building with KERNELRELEASE = 5.10.2-custom-student-debug-00001-gf3f27be1bb7a
  CC [M]  /datastore/home/student/projects/elin-3.0/yocto-multi-v7-ml/elin-for-trainer/src/04_hello_kernel_0/hello_kernel.o
  CHECK   /datastore/home/student/projects/elin-3.0/yocto-multi-v7-ml/elin-for-trainer/src/04_hello_kernel_0/hello_kernel.c
./include/asm-generic/rwonce.h:67:16: error: typename in expression
./include/asm-generic/rwonce.h:67:16: error: Expected ) in function call
./include/asm-generic/rwonce.h:67:16: error: got :
./include/linux/atomic-fallback.h:87:16: error: typename in expression
./include/linux/atomic-fallback.h:87:16: error: Expected ) in function call
./include/linux/atomic-fallback.h:87:16: error: got :
./include/linux/atomic-fallback.h:87:16: error: Expected ) in expression
./include/linux/atomic-fallback.h:87:16: error: got while
./include/linux/atomic-fallback.h:87:16: error: typename in expression
./include/linux/atomic-fallback.h:87:16: error: Expected ) in function call
./include/linux/atomic-fallback.h:87:16: error: got :
./include/linux/atomic-fallback.h:87:16: error: Expected ; at the end of type declaration
./include/linux/atomic-fallback.h:87:16: error: got )
./include/linux/atomic-fallback.h:87:16: error: Trying to use reserved word 'do' as identifier
./include/linux/atomic-fallback.h:87:16: error: Expected ; at end of declaration
./include/linux/atomic-fallback.h:87:16: error: got {
./include/linux/atomic-fallback.h:87:16: error: Expected ) in function declarator
./include/linux/atomic-fallback.h:87:16: error: got !
./include/linux/atomic-fallback.h:87:16: error: Trying to use reserved word 'if' as identifier
./include/linux/atomic-fallback.h:87:16: error: Expected ; at the end of type declaration
./include/linux/atomic-fallback.h:87:16: error: got }
./include/linux/atomic-fallback.h:87:16: error: Expected ) in function declarator
./include/linux/atomic-fallback.h:87:16: error: got *
./include/linux/atomic-fallback.h:87:16: error: Trying to use reserved word 'typeof' as identifier
./include/linux/atomic-fallback.h:87:16: error: Expected ; at the end of type declaration
..../include/linux/atomic-fallback.h:220:1: error: got }
./include/linux/atomic-fallback.h:229:9: error: Trying to use reserved word 'return' as identifier
./include/linux/atomic-fallback.h:229:16: error: Expected ; at end of declaration
./include/linux/atomic-fallback.h:229:16: error: got atomic_sub_return_relaxed
./include/linux/atomic-fallback.h:230:1: error: Expected ; at the end of type declaration
./include/linux/atomic-fallback.h:230:1: error: got }
./include/linux/atomic-fallback.h:242:9: error: Trying to use reserved word 'return' as identifier
./include/linux/atomic-fallback.h:242:16: error: Expected ; at end of declaration
./include/linux/atomic-fallback.h:242:16: error: got ret
./include/linux/atomic-fallback.h:243:1: error: Expected ; at the end of type declaration
./include/linux/atomic-fallback.h:243:1: error: got }
./include/linux/atomic-fallback.h:266:9: error: Trying to use reserved word 'return' as identifier
./include/linux/atomic-fallback.h:266:16: error: Expected ; at end of declaration
./include/linux/atomic-fallback.h:266:16: error: got ret
./include/linux/atomic-fallback.h:267:1: error: Expected ; at the end of type declaration
./include/linux/atomic-fallback.h:267:1: error: too many errors
Building with KERNELRELEASE = 5.10.2-custom-student-debug-00001-gf3f27be1bb7a
  MODPOST /datastore/home/student/projects/elin-3.0/yocto-multi-v7-ml/elin-for-trainer/src/04_hello_kernel_0/Module.symvers
  CC [M]  /datastore/home/student/projects/elin-3.0/yocto-multi-v7-ml/elin-for-trainer/src/04_hello_kernel_0/hello_kernel.mod.o
  LD [M]  /datastore/home/student/projects/elin-3.0/yocto-multi-v7-ml/elin-for-trainer/src/04_hello_kernel_0/hello_kernel.ko
make[1]: Leaving directory '/home/student/imx6q-phytec-mira-rdk-nand/linux-stable-custom'