usb: gadget: udc: Rename amd5536udc driver file based on IP

This patch renames the amd5536udc.c that has the core driver
functionality of Synopsys UDC to snps_udc_core.c

The symbols exported here can be used by any UDC driver that uses
the same Synopsys IP.

Signed-off-by: Raviteja Garimella <raviteja.garimella@broadcom.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
diff --git a/drivers/usb/gadget/udc/Makefile b/drivers/usb/gadget/udc/Makefile
index 626e1f1..4f4fd62 100644
--- a/drivers/usb/gadget/udc/Makefile
+++ b/drivers/usb/gadget/udc/Makefile
@@ -10,7 +10,7 @@
 obj-$(CONFIG_USB_DUMMY_HCD)	+= dummy_hcd.o
 obj-$(CONFIG_USB_NET2272)	+= net2272.o
 obj-$(CONFIG_USB_NET2280)	+= net2280.o
-obj-$(CONFIG_USB_SNP_CORE)	+= amd5536udc.o
+obj-$(CONFIG_USB_SNP_CORE)	+= snps_udc_core.o
 obj-$(CONFIG_USB_AMD5536UDC)	+= amd5536udc_pci.o
 obj-$(CONFIG_USB_PXA25X)	+= pxa25x_udc.o
 obj-$(CONFIG_USB_PXA27X)	+= pxa27x_udc.o
diff --git a/drivers/usb/gadget/udc/amd5536udc.c b/drivers/usb/gadget/udc/snps_udc_core.c
similarity index 100%
rename from drivers/usb/gadget/udc/amd5536udc.c
rename to drivers/usb/gadget/udc/snps_udc_core.c