forked from Mirrors/opensbi

The bits to configure/enable Zicbo[m|z] extensions in the menvcfg CSR are WARL. We try to enable these bits irrespective whether these extensions are available or not because writes to these bits will be ignored if these extensions are not available. Signed-off-by: Anup Patel <apatel@ventanamicro.com> Reviewed-by: Atish Patra <atishp@rivosinc.com> Reviewed-by: Xiang W <wxjstz@126.com>