make modules_install INSTALL_MOD_PATH=/some/root/

make modules KLIB_BUILD=/some/root/lib/modules/$(uname -r)/build

/usr/src/linux-3.5.0/

/usr/src/linux-3.5.0-build/

/tmp/newmodules/

lib/modules/$(uname -r)/

build -> /usr/src/linux-3.5.0-build/

mkdir  -p /mnt/microSD/usr/src
      cp -a /usr/src/linux-3.5.0 /usr/src/linux-3.5.0-build /mnt/microSD/usr/src
      cp -a /tmp/newmodules/lib /mnt/microSD/lib