dev: pmic: pm8x41: add support to configure pmic gpio params

Add support to configure the output source select for pmic gpio.
Define the values for the configuration for the source select.

Change-Id: Icb0980771f033afa125022cc399943295ba09c6c
diff --git a/dev/pmic/pm8x41/include/pm8x41_hw.h b/dev/pmic/pm8x41/include/pm8x41_hw.h
index 26fbd5e..6484a10 100644
--- a/dev/pmic/pm8x41/include/pm8x41_hw.h
+++ b/dev/pmic/pm8x41/include/pm8x41_hw.h
@@ -1,4 +1,4 @@
-/* Copyright (c) 2012-2015, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2012-2015, 2017, The Linux Foundation. All rights reserved.
 
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
@@ -58,6 +58,7 @@
 #define GPIO_MODE_CTL                         0x40
 #define GPIO_DIG_VIN_CTL                      0x41
 #define GPIO_DIG_PULL_CTL                     0x42
+#define GPIO_DIG_OUT_SRC_CTL                  0x44
 #define GPIO_DIG_OUT_CTL                      0x45
 #define GPIO_EN_CTL                           0x46