soc: qcom: hab: Add open local-cancel and compiler warning fixes

Allow user to call close with mmid to do open local-cancel.Fix various
compiler warning regarding uninitialized variable and type mismatch. Add
more parameter check during physical channel send to avoid corner cases.

Change-Id: I0a557d7b1a3dac327a758cdb96052609fc8959cc
Signed-off-by: Shiju Mathew <shijum@codeaurora.org>