mb/google/cherry: Fix incorrect timestamps in eventlog

The eventlog requires RTC to provide correct timestamps, so we have to
turn on the config and add the common drivers.

BUG=b:199003609
TEST=check timestamp in 'mosys eventlog list'
BRANCH=none

Signed-off-by: Chen-Tsung Hsieh <chentsung@chromium.org>
Change-Id: Ia382cd023fcbfdf2c1efeb7b32c0b99feb71effa
Reviewed-on: https://review.coreboot.org/c/coreboot/+/57403
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>

src/mainboard/google/cherry/Kconfig

@@ -12,6 +12,7 @@ config VBOOT
 
 config BOARD_SPECIFIC_OPTIONS
 	def_bool y
+	select RTC
 	select SOC_MEDIATEK_MT8195
 	select BOARD_ROMSIZE_KB_8192
 	select MAINBOARD_HAS_CHROMEOS

src/soc/mediatek/mt8195/Makefile.inc

@@ -67,6 +67,8 @@ ramstage-y += mt6360.c
 ramstage-y += ../common/mtcmos.c mtcmos.c
 ramstage-$(CONFIG_COMMONLIB_STORAGE_MMC) += ../common/msdc.c
 ramstage-y += ../common/pll.c pll.c
+ramstage-y += ../common/pmif.c
+ramstage-y += ../common/rtc.c ../common/rtc_mt6359p.c
 ramstage-$(CONFIG_SPI_FLASH) += ../common/spi.c spi.c
 ramstage-y += soc.c
 ramstage-y += ../common/sspm.c