target: msm8226: Add support to read the power on reason.

Change-Id: I28a254c2bf1036d9982a0c107d0898d38b4d6f90
diff --git a/target/msm8226/init.c b/target/msm8226/init.c
index f9eb9b9..ff6bf3b 100644
--- a/target/msm8226/init.c
+++ b/target/msm8226/init.c
@@ -270,3 +270,18 @@
 	val |= SESS_VLD_CTRL;
 	writel(val, USB_USBCMD);
 }
+
+unsigned target_pause_for_battery_charge(void)
+{
+	uint8_t pon_reason = pm8x41_get_pon_reason();
+
+	/* This function will always return 0 to facilitate
+	 * automated testing/reboot with usb connected.
+	 * uncomment if this feature is needed.
+	 */
+	/* if ((pon_reason == USB_CHG) || (pon_reason == DC_CHG))
+	 *	return 1;
+	 */
+
+	return 0;
+}