ASoC: wcd9xxx: Enable headset in high performance

Invoke class AB sequence for headset path dynamically based on
module parameter. Change enables headset path in high performance
mode when module parameter is set to one.

Change-Id: If92d5c8516fbd903a9585785dba47c800be63dbc
Signed-off-by: Sudheer Papothi <spapothi@codeaurora.org>