DA8xx: assign name to MUSB IRQ resource

Commit fcf173e4511193b1efeccb0f22a8c641b464353b (usb: musb: add names for IRQs
in structure resource) forgot to assign name to the DA8xx MUSB IRQ resource.
Because of that MUSB driver fails to load on DA8xx machines.

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/arch/arm/mach-davinci/usb.c b/arch/arm/mach-davinci/usb.c
index 1867366..23d2b6d 100644
--- a/arch/arm/mach-davinci/usb.c
+++ b/arch/arm/mach-davinci/usb.c
@@ -112,6 +112,7 @@
 	{
 		.start		= IRQ_DA8XX_USB_INT,
 		.flags		= IORESOURCE_IRQ,
+		.name		= "mc",
 	},
 };