In following conditions RX LDPC support needs to be enabled
1) when STA is coming up in 5G band
2) when IBSS is coming up in 5G band
for anyother cases RX LDPC needs to be disabled. If user has
choosen RX LDPC to be disabled from INI file then it needs to
be disabled for all the cases including above mentioned cases.
To achieve this, take the intersection of global, INI, and harware
specific RX LDPC settings.
Change-Id: Iae10aa4a8c0931cdb796cd9c8ff558d4bc8e0aed
CRs-Fixed: 1050004