Use the new I2C slave reset function and reset all slaves connected to all
4 I2C. Do this in all boards.
BUG=b:114479395
TEST=Added debug code. Build and boot grunt. Examined output, confirmed
GPIO pins changing as required. Removed debug code.
Change-Id: Ia78ee5d5319d3c1a7daa9c56c81d435999b3a359
Signed-off-by: Richard Spiegel <richard.spiegel@silverbackltd.com>
Reviewed-on: https://review.coreboot.org/28575
Reviewed-by: Martin Roth <martinroth@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>