src/southbridge: Capitalize CPU, RAM and ROM

Change-Id: I01413b9f8b77ecdcb781340f04c2fe9e24810264
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/15941
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Tobias Diedrich <ranma+coreboot@tdiedrich.de>
18 files changed