ALSA: ca0106 - Check return value of pci_enable_device() in resume

The return value of pci_enable_device() must be checked even in resume
callback:
  sound/pci/ca0106/ca0106_main.c:1779: warning: ignoring return value of ‘pci_enable_device’, declared with attribute warn_unused_result

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