ALSA: usb-audio: Fix code alignment in mixer_quirks

Format code to fix all alignment issues reported by checkpatch.pl:

  CHECK: Alignment should match open parenthesis

Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20250526-dualsense-alsa-jack-v1-1-1a821463b632@collabora.com