arch/x86/riscv: Use 'all' target to include files in all stages

This adds a few new files to romstage, that will be needed in
follow-up patches.

Change-Id: I2ba84e0becee883b5becf12e51f40734cad83d7d
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/68839
Reviewed-by: Martin L Roth <gaumless@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Maximilian Brune <maximilian.brune@9elements.com>

0 files changed, 0 insertions, 0 deletions