ASoC: wcd-mbhc: update electrical removal detection logic

when moisture is in jack, removing of the plug result in
electrical removal interrupt. So, update electrical interrupt
handler to handle mechanical removal based on moisture status.

CRs-Fixed: 2058106
Change-Id: I9cfbfbaf04783f0edcadb14d7828759020745289
Signed-off-by: Meng Wang <mwang@codeaurora.org>