wifi: iwlwifi: add mapping of a periphery register crf for WH RF

Add the support for prph register RF details and map it
to get the RF ID of NIC.

Signed-off-by: Mukesh Sisodiya <mukesh.sisodiya@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230921110727.ccfc4868111f.I94dd75fc82443facf571f2fe8e23c50e9053a35a@changeid


Signed-off-by: Johannes Berg <johannes.berg@intel.com>