usb: dwc3: ULPI or UTMI+ select

Make selection between ULPI and UTMI+ interfaces possible by
providing definition for the bit in Global USB2 PHY
Configuration Register that controls it.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Acked-by: David Cohen <david.a.cohen@linux.intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

drivers/usb/dwc3/core.h

@@ -173,6 +173,7 @@
 /* Global USB2 PHY Configuration Register */
 #define DWC3_GUSB2PHYCFG_PHYSOFTRST	(1 << 31)
 #define DWC3_GUSB2PHYCFG_SUSPHY		(1 << 6)
+#define DWC3_GUSB2PHYCFG_ULPI_UTMI	(1 << 4)
 
 /* Global USB2 PHY Vendor Control Register */
 #define DWC3_GUSB2PHYACC_NEWREGREQ	(1 << 25)