ASoc: msm: mark LINEOUT as ignoring suspend

When third party speaker is connected to lineout and device gets
suspended, LINEOUT should ignore suspend, otherwise speaker would
have no sound.

CRs-Fixed: 1038574
Change-Id: Ie565709d15d47188be8dec65f322c4a75e996c94
Signed-off-by: Meng Wang <mwang@codeaurora.org>