Revert "drm/nv50-/gpio: initialise to vbios defaults during init"

This reverts commit 991083ba.

We discovered this causes problem on some Dell eDP laptops, so Apple
lose out for now, I might try and whip up a dmi based workaround for 3.6
but I'm not sure I'll get time.
Signed-off-by: Dave Airlie <airlied@redhat.com>

drivers/gpu/drm/nouveau/nv50_gpio.c

@@ -115,9 +115,6 @@ nv50_gpio_init(struct drm_device *dev)
 {
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
 
-	/* initialise gpios and routing to vbios defaults */
-	nouveau_gpio_reset(dev);
-
 	/* disable, and ack any pending gpio interrupts */
 	nv_wr32(dev, 0xe050, 0x00000000);
 	nv_wr32(dev, 0xe054, 0xffffffff);