from Beryllium onwards a single Flow Search Table
will be used across multiple radios. to ensure this
a single FST attach is called for the first SOC's
pdev and FST detach is called only during last pdev
of last SOC. the same FST instance is saved in all
pdevs of all the SOCs
CRs-Fixed: 3366409
Change-Id: I42fbdc6f09fb902021877e100a2831a1a24bc975
328ea67a32