forked from Mirrors/opensbi

Use platform defined flush range limit value only if it is non-zero. Otherwise, use the default value. Signed-off-by: Atish Patra <atish.patra@wdc.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Use platform defined flush range limit value only if it is non-zero. Otherwise, use the default value. Signed-off-by: Atish Patra <atish.patra@wdc.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>