ALSA: hda/ca0132 - Change Input Source enum strings.

Change the Input Source enumerated control's strings to make it play
nice with pulseaudio.

Fixes: 7cb9d94c ("ALSA: hda/ca0132: add alt_select_in/out for R3Di + SBZ")
Cc: <stable@kernel.org>
Signed-off-by: Connor McAdams <conmanx360@gmail.com>
Link: https://lore.kernel.org/r/20201208195223.424753-2-conmanx360@gmail.com
Link: https://lore.kernel.org/r/20201210173550.2968-2-conmanx360@gmail.com


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