msm: 8064: Use PMIC GPIO 42 for rotation lock key

Rotation lock key uses PMIC GPIO 42. The previous configuration
using GPIO 46 is incorrect.

Change-Id: I1710f2229059aac1f20617c9e9e0c6b1356f612b
Signed-off-by: Jing Lin <jinglin@codeaurora.org>
diff --git a/arch/arm/mach-msm/board-8064.c b/arch/arm/mach-msm/board-8064.c
index 03acf9d..35f17ce 100644
--- a/arch/arm/mach-msm/board-8064.c
+++ b/arch/arm/mach-msm/board-8064.c
@@ -1804,7 +1804,7 @@
 #define GPIO_KEY_VOLUME_DOWN	PM8921_GPIO_PM_TO_SYS(38)
 #define GPIO_KEY_CAM_FOCUS	PM8921_GPIO_PM_TO_SYS(3)
 #define GPIO_KEY_CAM_SNAP	PM8921_GPIO_PM_TO_SYS(4)
-#define GPIO_KEY_ROTATION	46
+#define GPIO_KEY_ROTATION	PM8921_GPIO_PM_TO_SYS(42)
 
 static struct gpio_keys_button cdp_keys[] = {
 	{