qcacld-3.0: Validate add del tx pattern configuration

Currently there is no information maintained in the driver regarding the
tx patterns configured, this can result in sending the commands to
firmware without a proper validation i.e. sending the delete pattern
without validating.

To resolve this issue, maintain the add pattern history and validate
whether when the del pattern is issued.

Change-Id: Ie097a36fe46640ddfd539c481491025512571300
CRs-Fixed: 2596705
1 file changed