mb/google/ocelot: add BOARD_GOOGLE_OCELOTMCHP

Ocelotmchp is the same as the ocelot variant except that it uses the
Microchip EC.

BUG=b:419857124
BRANCH=none
TEST=`emerge-ocelot coreboot` and verify it builds without error.

Change-Id: I9088a57289d9ef489a7773a8d828d5f945440757
Signed-off-by: Nick Vaccaro <nvaccaro@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/88060
Reviewed-by: Pranava Y N <pranavayn@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/google/ocelot/Kconfig

@@ -70,6 +70,9 @@ config BOARD_GOOGLE_OCELOT
 config BOARD_GOOGLE_OCELOTITE
 	select BOARD_GOOGLE_MODEL_OCELOT
 
+config BOARD_GOOGLE_OCELOTMCHP
+	select BOARD_GOOGLE_MODEL_OCELOT
+
 if BOARD_GOOGLE_OCELOT_COMMON
 
 config BASEBOARD_DIR
@@ -118,6 +121,7 @@ config MAINBOARD_FAMILY
 config MAINBOARD_PART_NUMBER
 	default "Ocelot" if BOARD_GOOGLE_OCELOT
 	default "Ocelotite" if BOARD_GOOGLE_OCELOTITE
+	default "Ocelotmchp" if BOARD_GOOGLE_OCELOTMCHP
 
 config MEMORY_SOLDERDOWN
 	def_bool n
@@ -139,7 +143,8 @@ config VARIANT_DIR
 	string
 	default "ocelot" if \
 		BOARD_GOOGLE_OCELOT || \
-		BOARD_GOOGLE_OCELOTITE
+		BOARD_GOOGLE_OCELOTITE || \
+		BOARD_GOOGLE_OCELOTMCHP
 
 config OVERRIDE_DEVICETREE
 	default "variants/\$(CONFIG_VARIANT_DIR)/overridetree.cb"

src/mainboard/google/ocelot/Kconfig.name

@@ -7,3 +7,6 @@ config BOARD_GOOGLE_OCELOT
 
 config BOARD_GOOGLE_OCELOTITE
 	bool "-> Ocelotite"
+
+config BOARD_GOOGLE_OCELOTMCHP
+	bool "-> Ocelotmchp"

src/mainboard/google/ocelot/variants/baseboard/ocelot/include/baseboard/gpio.h

@@ -13,7 +13,9 @@
  * GPIO_PCH_WP - WP signal to PCH
  */
 //TODO for Nuvo: #define EC_SYNC_IRQ	GPP_E07_IRQ
-#if CONFIG(BOARD_GOOGLE_OCELOT) || CONFIG(BOARD_GOOGLE_OCELOTITE)
+#if CONFIG(BOARD_GOOGLE_OCELOT) || \
+	CONFIG(BOARD_GOOGLE_OCELOTITE) || \
+	CONFIG(BOARD_GOOGLE_OCELOTMCHP)
  #define EC_SYNC_IRQ	0 /* Not Connected */
 #endif
 #define GPIO_PCH_WP	GPP_D02