msm: board-8960-camera: fix the build breakage

if not defined CONFIG_MSM_CAMERA_FLASH, couldn't build kernel.
to fix it, wrap codes related to camera flash with CONFIG_MSM_CAMERA_FLASH

Change-Id: I7153701d9b312914e789e1c71adb4e1c6b855899
diff --git a/arch/arm/mach-msm/board-8960-camera.c b/arch/arm/mach-msm/board-8960-camera.c
index b6c03a4..8acee09 100644
--- a/arch/arm/mach-msm/board-8960-camera.c
+++ b/arch/arm/mach-msm/board-8960-camera.c
@@ -21,6 +21,7 @@
 
 #ifdef CONFIG_MSM_CAMERA
 
+#ifdef CONFIG_MSM_CAMERA_FLASH
 #if (defined(CONFIG_GPIO_SX150X) || defined(CONFIG_GPIO_SX150X_MODULE)) && \
 	defined(CONFIG_I2C)
 
@@ -38,6 +39,7 @@
 	},
 };
 #endif
+#endif
 
 static struct gpiomux_setting cam_settings[] = {
 	{
@@ -729,6 +731,7 @@
 	if (machine_is_msm8960_cdp()) {
 		msm_gpiomux_install(msm8960_cdp_flash_configs,
 			ARRAY_SIZE(msm8960_cdp_flash_configs));
+#ifdef CONFIG_MSM_CAMERA_FLASH
 		msm_flash_src._fsrc.ext_driver_src.led_en =
 			GPIO_CAM_GP_LED_EN1;
 		msm_flash_src._fsrc.ext_driver_src.led_flash_en =
@@ -738,6 +741,7 @@
 		msm_flash_src._fsrc.ext_driver_src.expander_info =
 			cam_expander_info;
 		#endif
+#endif
 	}
 
 	if (machine_is_msm8960_liquid()) {