mb/google/hatch: expose get_board_sku() as global

BUG=None
TEST=emerge-hatch coreboot chromeos-bootimage

Change-Id: I217e13acd337034554ff055e8bf5011558d1f8bf
Signed-off-by: David Wu <david_wu@quanta.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34431
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>

src/mainboard/google/hatch/mainboard.c

@@ -13,6 +13,7 @@
  * GNU General Public License for more details.
  */
 
+#include <baseboard/variants.h>
 #include <boardid.h>
 #include <console/console.h>
 #include <ec/google/chromeec/ec.h>
@@ -23,7 +24,7 @@
 #define SKU_UNKNOWN		0xFFFFFFFF
 #define SKU_MAX			255
 
-static uint32_t get_board_sku(void)
+uint32_t get_board_sku(void)
 {
 	static uint32_t sku_id = SKU_UNKNOWN;
 

src/mainboard/google/hatch/variants/baseboard/include/baseboard/variants.h

@@ -43,6 +43,9 @@ const struct pad_config *variant_sleep_gpio_table(u8 slp_typ, size_t *num);
 /* Return ChromeOS gpio table and fill in number of entries. */
 const struct cros_gpio *variant_cros_gpios(size_t *num);
 
+/* Return board SKU */
+uint32_t get_board_sku(void);
+
 /* Modify devictree settings during ramstage. */
 void variant_devtree_update(void);