ASoC: wcd_cpe_core: Add support for CPE restart

The CPE hardware block on the codec may become unresponsive due to
unknown reasons. In such situation, the codec hardware has functionality
to interrupt the driver so that driver can take necessary steps to
reinitialize the CPE hardware block. Add support for detecting CPE
hardware state and reinitialize the CPE block so that further use
cases are not affected.

Change-Id: I8a3447925216f0d6c3bd177162800e3e3c8df879
Signed-off-by: Venkat Sudhir <vsudhir@codeaurora.org>
Signed-off-by: Bhalchandra Gajare <gajare@codeaurora.org>