ARM: OMAP5+: Provide enable/disable_usb_clocks() for CONFIG_USB_XHCI_OMAP

CONFIG_USB_XHCI_OMAP is enabled for host mode independent of CONFIG_USB_DWC3
which is meant for gadget mode only. We need enable/disbale_usb_clocks() for
host mode as well so provide for it.

Fixes: 09cc14f4 ("ARM: AM43xx: Add functions to enable and disable USB clocks"
Signed-off-by: NRoger Quadros <rogerq@ti.com>

arch/arm/cpu/armv7/am33xx/clock_am43xx.c

@@ -160,7 +160,7 @@ void disable_edma3_clocks(void)
 }
 #endif
 
-#ifdef CONFIG_USB_DWC3
+#if defined(CONFIG_USB_DWC3) || defined(CONFIG_USB_XHCI_OMAP)
 void enable_usb_clocks(int index)
 {
 	u32 *usbclkctrl = 0;

arch/arm/cpu/armv7/omap5/hw_data.c

@@ -602,7 +602,7 @@ void disable_edma3_clocks(void)
 }
 #endif
 
-#ifdef CONFIG_USB_DWC3
+#if defined(CONFIG_USB_DWC3) || defined(CONFIG_USB_XHCI_OMAP)
 void enable_usb_clocks(int index)
 {
 	u32 cm_l3init_usb_otg_ss_clkctrl = 0;