qcacmn: Extend RNR caches to support multiple 6 GHz pdevs
A SOC may have multiple 6 GHz pdevs. Per-pdev RNR-caches are required
to be able to support multiple 6 GHz pdevs in a SOC. Extend RNR-cache
support for the same.
Change-Id: I4db643c3f8fc52ad40fd0d4d04f2a0f9c221bcd8
CRs-Fixed: 3337706