msm8974: Prevent USB h/w reset on every cable disconnect

Due to some issue with older USB PHYs, USB h/w requires to be
RESET everytime cable is diconnected. Avoid this on 8974's
USB core which doesn't have this issue.

Change-Id: I918492032de6d65eaba7c9b656c700d4f443aa99
Signed-off-by: Manu Gautam <mgautam@codeaurora.org>
diff --git a/drivers/usb/otg/msm_otg.c b/drivers/usb/otg/msm_otg.c
index da96e73..3884c81 100644
--- a/drivers/usb/otg/msm_otg.c
+++ b/drivers/usb/otg/msm_otg.c
@@ -3372,6 +3372,9 @@
 				&pdata->phy_type);
 	of_property_read_u32(node, "qcom,hsusb-otg-pmic-id-irq",
 				&pdata->pmic_id_irq);
+	pdata->disable_reset_on_disconnect = of_property_read_bool(node,
+				"qcom,hsusb-otg-disable-reset");
+
 	return pdata;
 }