[BSP][KERNEL][UBOOT][FIX] inc files: use weak assignment operators
Use ??=
and ?=
to assign default values to U-boot and kernel variables, to allow
recipes to override these values using a higher-precedence operator
CLEAOS-535
Use ??=
and ?=
to assign default values to U-boot and kernel variables, to allow
recipes to override these values using a higher-precedence operator
CLEAOS-535