riscv: Enable create symlink using kconfig

We select CREATE_ARCH_SYMLINK for RISC-V so that we can have
include/asm/arch linked to include/asm/arch-xyz.

Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
1 file changed