xf86-video-nvidia: adjust udev rule to ignore non display devices

[lrusak]

Thanks @MilhouseVH for pointing this out. The udev rule would catch the audio device on the nvidia card. This fixes this and grabs the correct device.

This is before:

OpenELEC:~ # udevadm info /sys/bus/pci/devices/0000\:00\:01.0/0000\:01\:00.0/
P: /devices/pci0000:00/0000:00:01.0/0000:01:00.0
E: DEVPATH=/devices/pci0000:00/0000:00:01.0/0000:01:00.0
E: DRIVER=nvidia
E: ID_MODEL_FROM_DATABASE=GF114 [GeForce GTX 560]
E: ID_PCI_CLASS_FROM_DATABASE=Display controller
E: ID_PCI_INTERFACE_FROM_DATABASE=VGA controller
E: ID_PCI_SUBCLASS_FROM_DATABASE=VGA compatible controller
E: ID_VENDOR_FROM_DATABASE=NVIDIA Corporation
E: MODALIAS=pci:v000010DEd00001201sv00001458sd00003527bc03sc00i00
E: PCI_CLASS=30000
E: PCI_ID=10DE:1201
E: PCI_SLOT_NAME=0000:01:00.0
E: PCI_SUBSYS_ID=1458:3527
E: SUBSYSTEM=pci
E: SYSTEMD_WANTS=xorg-configure@nvidia.service
E: TAGS=:systemd:
E: USEC_INITIALIZED=8641443
E: xorg_driver=nvidia

OpenELEC:~ # udevadm info /sys/class/sound/card1/
P: /devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1
E: DEVPATH=/devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1
E: ID_BUS=pci
E: ID_FOR_SEAT=sound-pci-0000_01_00_1
E: ID_MODEL_FROM_DATABASE=GF114 HDMI Audio Controller
E: ID_MODEL_ID=0x0e0c
E: ID_PATH=pci-0000:01:00.1
E: ID_PATH_TAG=pci-0000_01_00_1
E: ID_PCI_CLASS_FROM_DATABASE=Multimedia controller
E: ID_PCI_SUBCLASS_FROM_DATABASE=Audio device
E: ID_VENDOR_FROM_DATABASE=NVIDIA Corporation
E: ID_VENDOR_ID=0x10de
E: SOUND_INITIALIZED=1
E: SUBSYSTEM=sound
E: SYSTEMD_WANTS=xorg-configure@nvidia-legacy.service sound.target
E: TAGS=:systemd:seat:
E: USEC_INITIALIZED=9331151
E: xorg_driver=nvidia

and after:

OpenELEC:~ # udevadm info -p $(udevadm info -q path /sys/bus/pci/devices/0000\:00\:01.0/0000\:01\:00.0/)
P: /devices/pci0000:00/0000:00:01.0/0000:01:00.0
E: DEVPATH=/devices/pci0000:00/0000:00:01.0/0000:01:00.0
E: DRIVER=nvidia
E: ID_MODEL_FROM_DATABASE=GF114 [GeForce GTX 560]
E: ID_PCI_CLASS_FROM_DATABASE=Display controller
E: ID_PCI_INTERFACE_FROM_DATABASE=VGA controller
E: ID_PCI_SUBCLASS_FROM_DATABASE=VGA compatible controller
E: ID_VENDOR_FROM_DATABASE=NVIDIA Corporation
E: MODALIAS=pci:v000010DEd00001201sv00001458sd00003527bc03sc00i00
E: PCI_CLASS=30000
E: PCI_ID=10DE:1201
E: PCI_SLOT_NAME=0000:01:00.0
E: PCI_SUBSYS_ID=1458:3527
E: SUBSYSTEM=pci
E: SYSTEMD_WANTS=xorg-configure@nvidia.service
E: TAGS=:systemd:
E: USEC_INITIALIZED=11261097
E: xorg_driver=nvidia

OpenELEC:~ # udevadm info -p $(udevadm info -q path /sys/bus/pci/devices/0000\:00\:01.0/0000\:01\:00.1/)
P: /devices/pci0000:00/0000:00:01.0/0000:01:00.1
E: DEVPATH=/devices/pci0000:00/0000:00:01.0/0000:01:00.1
E: DRIVER=snd_hda_intel
E: ID_MODEL_FROM_DATABASE=GF114 HDMI Audio Controller
E: ID_PCI_CLASS_FROM_DATABASE=Multimedia controller
E: ID_PCI_SUBCLASS_FROM_DATABASE=Audio device
E: ID_VENDOR_FROM_DATABASE=NVIDIA Corporation
E: MODALIAS=pci:v000010DEd00000E0Csv00001458sd00003527bc04sc03i00
E: PCI_CLASS=40300
E: PCI_ID=10DE:0E0C
E: PCI_SLOT_NAME=0000:01:00.1
E: PCI_SUBSYS_ID=1458:3527
E: SUBSYSTEM=pci
E: USEC_INITIALIZED=11260893