qcacmn: Increase Tx HW and SW to 2K and 4K for qca6490

Increase Tx HW and SW to 2K and 4K for qca6490.
This parameter change is based on the tuning exercise of 1Tx:8Rx device
tests in NaN scenario. This is helping Tx device to burst to multiple
Rx peers, there by improving the TPUT.

Change-Id: I28e1eafb78612c68fe172a640b1386ac88e051a2
CRs-Fixed: 2657056
1 file changed