This change enables I2C bus 2, 3 and 4 in devicetree and configures
GPIO pads for the same. It also configures pads for I2C5 as
no-connect.
BUG=b:123711244
TEST=Verified that i2c shows up in "i2cdetect -l" after booting to OS.
Change-Id: Ib4714a670d73228332115415e4393f82802c6475
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/c/31237
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Sumeet R Pawnikar <sumeet.r.pawnikar@intel.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>