ChromeOS: Use common fill_lb_gpio()

Change-Id: I2ba7a1c2b2e6ce2c00c9a2916141bed67930ba2d
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/5586
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@google.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>

src/include/boot/coreboot_tables.h

@@ -200,6 +200,8 @@ struct lb_framebuffer {
 struct lb_gpio {
 	uint32_t port;
 	uint32_t polarity;
+#define ACTIVE_LOW	0
+#define ACTIVE_HIGH	1
 	uint32_t value;
 #define GPIO_MAX_NAME_LENGTH 16
         uint8_t name[GPIO_MAX_NAME_LENGTH];
@@ -339,6 +341,8 @@ unsigned long write_coreboot_table(
 	unsigned long rom_table_start, unsigned long rom_table_end);
 
 void fill_lb_gpios(struct lb_gpios *gpios);
+void fill_lb_gpio(struct lb_gpio *gpio, int num,
+			 int polarity, const char *name, int value);
 
 void uart_fill_lb(void *data);
 void lb_add_serial(struct lb_serial *serial, void *data);