forked from Mirrors/opensbi

The sbi_ecall.h and sbi_trap.h are not required to be included in sbi_platform.h hence we remove it. This way sources requiring these headers will have to explicitly include it thereby reducing implicit includes. Signed-off-by: Anup Patel <anup.patel@wdc.com> Reviewed-by: Atish Patra <atish.patra@wdc.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com>