ALSA: hda/hdmi - fix atpx_present when CLASS is not VGA

You can't use PCI_BASE_CLASS with pci_get_class().  This
happens to work by luck on devices with PCI_CLASS_DISPLAY_VGA, but
misses PCI_CLASS_DISPLAY_OTHER.  Add a check for those as well.

Fixes: 586bc4aa ("ALSA: hda/hdmi - fix vgaswitcheroo detection for AMD")
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://lore.kernel.org/r/20191221001702.1338587-1-alexander.deucher@amd.com


Signed-off-by: Takashi Iwai <tiwai@suse.de>