mediatek/mt8173: Add RTC driver

BUG=none
TEST=emerge-oak coreboot
BRANCH=none

Change-Id: I03740ce1afeb8607891fff61110a40dd98b80bdc
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 9b0cc22cb9e2010e28e854d9984c11149a71ae0b
Original-Change-Id: I6d6482a75cc40ed6183ee115d5d866257afa24af
Original-Signed-off-by: Tianping Fang <tianping.fang@mediatek.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/292676
Original-Commit-Ready: Yidi Lin <yidi.lin@mediatek.com>
Original-Tested-by: Yidi Lin <yidi.lin@mediatek.com>
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/12616
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Tested-by: build bot (Jenkins)
4 files changed