+ symbol values from either arch/$ARCH/defconfig
+ or arch/$ARCH/configs/${PLATFORM}_defconfig,
+ depending on the architecture.
+ "make ${PLATFORM}_defconfig"
+ Create a ./.config file by using the default
+ symbol values from
+ arch/$ARCH/configs/${PLATFORM}_defconfig.
+ Use "make help" to get a list of all available
+ platforms of your architecture.