msm: board-8960: Add external 3.3 V regulator for 8960 LiQUID

Add a GPIO controlled regulator device to manage the external
3.3 V buck-boost regulator on 8960 LiQUID via PMIC PM8018
GPIO 17.  This regulator is shared between several consumers.

Signed-off-by: David Collins <collinsd@codeaurora.org>
diff --git a/arch/arm/mach-msm/board-msm8960.h b/arch/arm/mach-msm/board-msm8960.h
index 0b2a907..7a939af 100644
--- a/arch/arm/mach-msm/board-msm8960.h
+++ b/arch/arm/mach-msm/board-msm8960.h
@@ -31,6 +31,7 @@
 
 #define GPIO_VREG_ID_EXT_5V		0
 #define GPIO_VREG_ID_EXT_L2		1
+#define GPIO_VREG_ID_EXT_3P3V		2
 
 extern struct gpio_regulator_platform_data
 	msm_gpio_regulator_pdata[] __devinitdata;