stumpy: Add native raminit support

Change-Id: Ibbb056ae209a16533757af925c8c833c94803834
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: https://review.coreboot.org/13662
Tested-by: build bot (Jenkins)
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
3 files changed