ALSA: hda: remove redundant assignment to variable timeout

Variable timeout is being assigned with the value 200 that is never
read, it is assigned a new value in a following do-loop. The assignment
is redundant and can be removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20200208222756.37707-1-colin.king@canonical.com


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