forked from Mirrors/opensbi

Introduce cpu_to_lle and lle_to_cpu macros which invoke correct word length cpu_to_le<64/32> conversion based on __riscv_xlen. Signed-off-by: Himanshu Chauhan <hchauhan@ventanamicro.com> Reviewed-by: Anup Patel <anup@brainfault.org>