qcacld-3.0: Fix the issue with HE MCS cfg with Nss setting

When the Nss is set to 2,MCS0-11 is used as default HE MCS config
for 2x2 mode which may not be same as 1x1 HE MCS config.
Use the 1x1 MCS config for Nss setting to 2 to keep the MCS
config same for both streams.

Change-Id: I76157357667696979976983e81f014182dfe769e
CRs-Fixed: 2284467
1 file changed