tegra132: introduce romstage_mainboard_init()

Instead of calling out with function names all the possible
combinations of interface and device provide one call to the
mainboard to configure all the necessary bits.

BUG=chrome-os-partner:31104
BUG=chrome-os-partner:31105
BRANCH=None
TEST=Built and ran on rush.

Change-Id: Id7817e85065884d64f90ac514bf698bf539f2afe
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: f4f63f5965d403a32872d7b52c180694f5ef679d
Original-Change-Id: Id27d9c2da4dccdff38c48dc5cdeb1a68cf23cbfc
Original-Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/210838
Original-Reviewed-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/8901
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Tested-by: build bot (Jenkins)
4 files changed