Invalid ipa suspend pipe indication is going to firmware
due to invalid handling of sap_num_connected_sta counter.
Prevent invalid ipa suspend indication to fw when ipa
pipes are down.
Propagation from qcacld-2.0 to qcacld-3.0.
Change-Id: Id7ac76bedc20aac39199e14b7042cfb58ba255fe
CRs-Fixed: 1036471