msm: bam_dmux: Add check for missed SMSM event

Handle case where the modem comes up before
BAM DMUX is initialized.

Change-Id: I15d5d1849cdec10ed29ef0b08b2d0e9e1cb3d13d
Signed-off-by: Eric Holmberg <eholmber@codeaurora.org>
1 file changed