forked from Mirrors/opensbi

- Add Smepmp as extension in sbi_hart_extensions enum - Return "smepmp" string for Smepmp extension from sbi_hart_extension_id2string Signed-off-by: Himanshu Chauhan <hchauhan@ventanamicro.com> Reviewed-by: Anup Patel <anup@brainfault.org>