msm: mpq8064: Fix false error reported by VP

Logical or where there should have been a bitwise or. Also ignoring
cadence change interrupt, because there is nothing for the driver
to do cadence change occurs.

Change-Id: I8a6214a66b67f6397a7b99ef54969761640abedf
Signed-off-by: Terence Hampson <thampson@codeaurora.org>