apollolake: Move CHROMEOS config to SoC

All the mainboards share the same config options for CHROMEOS. Instead
of duplicating those in every mainboard, move the CHROMEOS config to SoC
and make it dependent on MAINBOARD_HAS_CHROMEOS.

BUG=chrome-os-partner:55431

Change-Id: I2d54ff6beac9fca7596a8f104e3c1447cada5c05
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/15821
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins)

src/mainboard/google/reef/Kconfig

@@ -17,15 +17,7 @@ config BOOT_MEDIA_SPI_BUS
 	default 0
 
 config CHROMEOS
-	select CHROMEOS_RAMOOPS_DYNAMIC
-	select CHROMEOS_VBNV_CMOS
-	select CHROMEOS_VBNV_CMOS_BACKUP_TO_FLASH
-	select EC_SOFTWARE_SYNC
 	select LID_SWITCH
-	select SEPARATE_VERSTAGE
-	select VBOOT_OPROM_MATTERS
-	select VBOOT_STARTS_IN_BOOTBLOCK
-	select VIRTUAL_DEV_SWITCH
 
 config DRIVERS_I2C_DA7219
 	default y

src/mainboard/intel/amenia/Kconfig

@@ -16,9 +16,7 @@ config BOARD_SPECIFIC_OPTIONS
 	select TPM_ON_FAST_SPI
 
 config CHROMEOS
-	bool
+	select LID_SWITCH
-	default y
-	select VIRTUAL_DEV_SWITCH
 
 config MAINBOARD_DIR
 	string

src/soc/intel/apollolake/Kconfig

@@ -57,6 +57,16 @@ config CPU_SPECIFIC_OPTIONS
 	select SOC_INTEL_COMMON_GFX_OPREGION
 	select ADD_VBT_DATA_FILE
 
+config CHROMEOS
+	select CHROMEOS_RAMOOPS_DYNAMIC
+	select CHROMEOS_VBNV_CMOS
+	select CHROMEOS_VBNV_CMOS_BACKUP_TO_FLASH
+	select EC_SOFTWARE_SYNC if EC_GOOGLE_CHROMEEC
+	select SEPARATE_VERSTAGE
+	select VBOOT_OPROM_MATTERS
+	select VBOOT_STARTS_IN_BOOTBLOCK
+	select VIRTUAL_DEV_SWITCH
+
 config TPM_ON_FAST_SPI
 	bool
 	default n