target: msm8226: Stop VBUS mimicing in the PHY.

Change-Id: I289b0151aa50f53a5f2f5936b2e6868bd8d932d1
diff --git a/target/msm8226/init.c b/target/msm8226/init.c
index e7b6a22..f9eb9b9 100644
--- a/target/msm8226/init.c
+++ b/target/msm8226/init.c
@@ -245,6 +245,13 @@
 
 unsigned board_machtype(void)
 {
+	return 0;
+}
+
+void target_usb_stop(void)
+{
+	/* Disable VBUS mimicing in the controller. */
+	ulpi_write(ULPI_MISC_A_VBUSVLDEXTSEL | ULPI_MISC_A_VBUSVLDEXT, ULPI_MISC_A_CLEAR);
 }
 
 void target_usb_init(void)