radeon: Enable modesetting on non-x86.

Signed-off-by: Dave Airlie <airlied@redhat.com>

drivers/gpu/drm/radeon/radeon_drv.c

@@ -313,7 +313,7 @@ static int __init radeon_init(void)
 {
 	driver = &driver_old;
 	driver->num_ioctls = radeon_max_ioctl;
-#if defined(CONFIG_DRM_RADEON_KMS) && defined(CONFIG_X86)
+#if defined(CONFIG_DRM_RADEON_KMS)
 	/* if enabled by default */
 	if (radeon_modeset == -1) {
 		DRM_INFO("radeon default to kernel modesetting.\n");