[ARM] Fix lh7a40x_udc.c
In 3ae5eaec1d2d9c0cf53745352e7d4b152810ba24, I broke this driver
by missing a comma. Replace the missing comma.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
authored by Russell King and committed by Russell King 0f1482fd 67f3a588