ALSA: Fix sample rate of Lenovo Ideapad to 44.1kHz

Noises can be heard on analog outputs of (some model of) Lenovo
Ideapad due to the hardware problem, and the only workaround right now
is to fix the sample rate to 44.1kHz.

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