Update function to correctly read array from device tree.
Previously not reading values and returning -EINVAL.
WSA bat_cfg/rload/sys_gain are now correctly configured.
Also add softclip clock enable during pbr config.
Change-Id: Ia1b93acfde3e799b3b72e05966d0fa955c3f49ac
Signed-off-by: Matthew Rice <quic_mrice@quicinc.com>