arm: tegra: xmm: repair ipc_ap_wake_state at reset

arm: tegra: xmm: repair ipc_ap_wake_state at reset

Preparing strict checking for ipc_ap_wake_state during
modem initialization.

Modify the flashless xmm wake irq part to avoid mixing
with flashed modem irq handler.

Remove unused init1 workqueue from the driver.

Bug 1003141

Change-Id: I7b06b1783a140c0cc5121478e4983fab39862d7c
Signed-off-by: Vinayak Pane <vpane@nvidia.com>
Reviewed-on: http://git-master/r/118475
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Steve Lin <stlin@nvidia.com>
Rebase-Id: R23ca0f512238c45943d534ff1494c40e960f82a2