riscv: select CONFIG_PHYS_64BIT on RV64I systems

CONFIG_PHYS_64BIT should be enabled on RV64I systems. Select it.

Signed-off-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Rick Chen <rick@andestech.com>
1 file changed