root@rakhi-Inspiron-3542:/home/rakhi/git/kernels/staging#  make drivers/staging/rtl8723au/core/rtw_ieee80211.o
  CHK     include/config/kernel.release
  CHK     include/generated/uapi/linux/version.h
  CHK     include/generated/utsrelease.h
  CHK     include/generated/bounds.h
  CHK     include/generated/timeconst.h
  CHK     include/generated/asm-offsets.h
  CALL    scripts/checksyscalls.sh
./scripts/Makefile.build:44: drivers/staging/rtl8723au/core/Makefile: No such file or directory
make[1]: *** No rule to make target `drivers/staging/rtl8723au/core/Makefile'.  Stop.
make: *** [drivers/staging/rtl8723au/core/rtw_ieee80211.o] Error 2