wifi: iwlwifi: mvm: support ROC command version 6

This was suppsed to be supported only in iwlmld, but turns out that it
will be needed also in iwlmvm. Add support for it.

Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Link: https://patch.msgid.link/20250430155443.d118ee63aca4.I12ea349ca6587d8ea606f6ece4a9f3c0c2bb1494@changeid