[nrf fromtree] wifi: shell: Fix AP argument checks and help

AP enable takes the same parameters as connect, so, update the help and
also fix the optional parameter count when security is involved.

Signed-off-by: Chaitanya Tata <[email protected]>
(cherry picked from commit 9736cc7)

Author: krish2718

subsys/net/l2/wifi/wifi_shell.c

@@ -1598,9 +1598,16 @@ SHELL_STATIC_SUBCMD_SET_CREATE(wifi_cmd_ap,
 		  "Disable Access Point mode",
 		  cmd_wifi_ap_disable,
 		  1, 0),
-	SHELL_CMD_ARG(enable, NULL, "<SSID> [channel] [PSK]",
+	SHELL_CMD_ARG(enable, NULL,
+		  "\"<SSID>\"\n"
+		  "[channel number: 0 means all]\n"
+		  "[PSK: valid only for secure SSIDs]\n"
+		  "[Security type: valid only for secure SSIDs]\n"
+		  "0:None, 1:WPA2-PSK, 2:WPA2-PSK-256, 3:SAE, 4:WAPI, 5:EAP, 6:WEP, 7: WPA-PSK\n"
+		  "[MFP (optional: needs security type to be specified)]\n"
+		  ": 0:Disable, 1:Optional, 2:Required",
 		  cmd_wifi_ap_enable,
-		  2, 1),
+		  2, 4),
 	SHELL_SUBCMD_SET_END
 );