Fix the unbalanced pm_runtime_enable in wcd937x-sdw

Merge series from Mohammad Rafi Shaik <quic_mohs@quicinc.com>:

This patch set change will fix the unbalanced pm_runtime_enable in wcd937x-sdw soundwire slave.

And removed the string compare with widget name in MIC BIAS settings, instead
of string compare use the MIC BIAS id's as value.

Removed separate handling for vdd-buck regulator supply which is not
required. The vdd-buck regulator supply enabled using bulk enable.

Added the error handling in wcd937x_probe() and disable the regulators in error case.