MAINTAINERS: Repair file entry in ASPEED USB UDC DRIVER

Commit 055276c1 ("usb: gadget: add Aspeed ast2600 udc driver") adds
the section ASPEED USB UDC DRIVER with a file entry to aspeed,udc.yaml,
but then, commit 0dde9a46 ("dt-bindings: usb: add documentation for
aspeed udc") actually adds a device tree binding aspeed,ast2600-udc.yaml.

Hence, ./scripts/get_maintainer.pl --self-test=patterns complains about a
broken reference.

Repair the reference to the actually added file in ASPEED USB UDC DRIVER.
Acked-by: Neal Liu <neal_liu@aspeedtech.com>
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Link: https://lore.kernel.org/r/20220615194409.11875-1-lukas.bulwahn@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

MAINTAINERS

@@ -3140,7 +3140,7 @@ ASPEED USB UDC DRIVER
 M:	Neal Liu <neal_liu@aspeedtech.com>
 L:	linux-aspeed@lists.ozlabs.org (moderated for non-subscribers)
 S:	Maintained
-F:	Documentation/devicetree/bindings/usb/aspeed,udc.yaml
+F:	Documentation/devicetree/bindings/usb/aspeed,ast2600-udc.yaml
 F:	drivers/usb/gadget/udc/aspeed_udc.c
 
 ASUS NOTEBOOKS AND EEEPC ACPI/WMI EXTRAS DRIVERS