soc: remove tdm slot mask invalid err log in multi lane case

slot mask use group value instead of port value, which
will return default value when multi lane is enabled

Change-Id: Iac2f6876915d14b1f5b005354a6edb9239fa41f9
Signed-off-by: Hongtao Peng <quic_hongtaop@quicinc.com>