qcacld-3.0: Ignore ndo_set_features failure from upper stack

Change I0e44cb1789516e1bcee619be3581d826f45f265b register
ndo_set_features API, and upper stack will invoke it during
driver loading phase, which is not expected.

Return success with debug level log printed if DSC check failure.

Change-Id: Iba35a6c3ed6394794c9be7332e0243d975ba37bd
CRs-Fixed: 2747343