usb: gadget: goku_udc: remove unused macro

DMA_ADDR_INVALID isn't used anymore on goku_udc,
we can just delete it.

Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Felipe Balbi 2013-02-26 11:05:19 +02:00
commit 975cbd4939