pinky: Move some init to mainboard bootblock

This patch moves init for I2C, SPI, ChromeOS GPIOs to the
board-specific bootblock init function on Pinky, the idea being
to isolate SoC code so that it's more readily adaptable for
different boards.

BUG=none
BRANCH=none
TEST=built and booted on Pinky

Original-Signed-off-by: David Hendricks <dhendrix@chromium.org>
Original-Change-Id: I75516bbd332915c1f61249844e18415b4e23c520
Original-Reviewed-on: https://chromium-review.googlesource.com/220410
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>

(cherry picked from commit 0a7dec2fe70679c3457b0bfc7138b4a90b6217c8)
Signed-off-by: Aaron Durbin <adurbin@chromium.org>

Change-Id: Ib2c2e00b11c294a8d5bdd07a2cd59503179f0a84
Reviewed-on: http://review.coreboot.org/9243
Reviewed-by: David Hendricks <dhendrix@chromium.org>
Tested-by: build bot (Jenkins)
2 files changed