arm: omap: tusb6010: add name for MUSB IRQ

commit fcf173e4
(add names for IRQs in structure resource)
forgot to take care of tusb6010 making it
fail to probe due to a missing resource.

Fix it.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>