usb: gadget: android: Set usb_core_id if exists

Read usb_core_id from platfrom data.

Change-Id: I360bc064c173214c3e1381dac47eec10f3285819
Signed-off-by: Ido Shayevitz <idos@codeaurora.org>
diff --git a/include/linux/usb/android.h b/include/linux/usb/android.h
index 6d3c3ad..bf65ebb 100644
--- a/include/linux/usb/android.h
+++ b/include/linux/usb/android.h
@@ -20,6 +20,7 @@
 struct android_usb_platform_data {
 	int (*update_pid_and_serial_num)(uint32_t, const char *);
 	u32 swfi_latency;
+	u8 usb_core_id;
 };
 
 #endif	/* __LINUX_USB_ANDROID_H */