qcacmn: Move tdls_osif_init_cb after checking tdls_feature_flags

If tdls feature is disabled, as currently tdls_osif_init_cb is called
before checking flags, tdls_osif_deinit_cb will be missed which causes
memory leak.

Do tdls_osif_init_cb after checking tdls_feature_flags.

Regression cause is Iea3fd87cb272a51c5691ee2e39a590861c1b1637.

Change-Id: I008c69a9b39f5321d1ca79f5193539f5abd32a02
CRs-Fixed: 2460332