[ARM] pxa: fix pxa27x_udc default pullup GPIO
[ARM] pxa: fix pxa27x_udc default pullup GPIO

Currently, pxa27x_udc tries to use GPIO 0 as D+ pullup if not
explicitly configured. Default to an invalid GPIO (-1) instead.

Signed-off-by: Philipp Zabel <1f94b3da04d839c1c06fd881f52fcf8011297561@gmail.com>
Acked-by: Robert Jarzmik <94b2a0a74cb42a2dd0cf1b763601af7f13907aa9@free.fr>
Signed-off-by: Eric Miao <e9e0335ae43eee51396737d09983d9b25d00e51e@marvell.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas