mach-cpuimx27: fix USB_ULPI build warnings

when CONFIG_USB_ULPI is not defined we actually get :
warning: 'otg_pdata' defined but not used
warning: 'usbh2_pdata' defined but not used
Signed-off-by: Eric Bénard <eric@eukrea.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: s.hauer@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

arch/arm/mach-mx2/mach-cpuimx27.c

@@ -219,6 +219,7 @@ static struct platform_device serial_device = {
 };
 #endif
 
+#if defined(CONFIG_USB_ULPI)
 static struct mxc_usbh_platform_data otg_pdata = {
 	.portsc	= MXC_EHCI_MODE_ULPI,
 	.flags	= MXC_EHCI_INTERFACE_DIFF_UNI,
@@ -228,6 +229,7 @@ static struct mxc_usbh_platform_data usbh2_pdata = {
 	.portsc	= MXC_EHCI_MODE_ULPI,
 	.flags	= MXC_EHCI_INTERFACE_DIFF_UNI,
 };
+#endif
 
 static struct fsl_usb2_platform_data otg_device_pdata = {
 	.operating_mode = FSL_USB2_DR_DEVICE,