forked from Mirrors/opensbi

We can have ACLINT MTIMER devices which only support 32-bit MMIO accesses on RV64 system so this patch adds a boolean DT property "mtimer,no-64bit-mmio" to detect this from MTIMER DT node. Signed-off-by: Anup Patel <anup.patel@wdc.com> Reviewed-by: Atish Patra <atish.patra@wdc.com>