qca-wifi: Support Rolling CAC in DFS_MKKN region

Rolling CAC is supported for FCC and MKK domains. MKKN is a new
variant of MKK DFS domain in which RCAC is not enabled.

Enable RCAC for MKKN DFS domain in addition to FCC and MKK.

CRs-Fixed: 2701619
Change-Id: I52ff8079d5cea9977cc49faa70af29ad44ce12d3

umac/dfs/core/src/misc/dfs_zero_cac.c

@@ -4867,7 +4867,9 @@ bool dfs_is_agile_rcac_enabled(struct wlan_dfs *dfs)
 	bool rcac_enabled = false;
 
 	dfsdomain = utils_get_dfsdomain(dfs->dfs_pdev_obj);
-	if ((dfsdomain == DFS_FCC_REGION || dfsdomain == DFS_MKK_REGION) &&
+	if ((dfsdomain == DFS_FCC_REGION ||
+	     dfsdomain == DFS_MKK_REGION ||
+	     dfsdomain == DFS_MKKN_REGION) &&
 	    dfs->dfs_agile_rcac_ucfg && dfs->dfs_fw_adfs_support_non_160)
 	    rcac_enabled = true;