[ALSA] hda-codec - Fix capture on ALC262 HP machines

Fix the index for Front Mic capture source on ALC262 HP machines.
Also, added the new capture source list for HP BPC DC7000 series
to work properly.
From: zhejiang <zhe.jiang@intel.com>

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>