boards: shields: nxp_mw_wifi_bt: Disable modes for IW416

Disabled 11AX and 11AC for IW416 since it is 11n soc.

Signed-off-by: Abhinav Kulkarni <abhinav.kulkarni@nxp.com>

Author: abhinavnxp

boards/shields/nxp_m2_wifi_bt/Kconfig.defconfig

@@ -16,6 +16,12 @@ if WIFI
 config WIFI_NXP
 	default y
 
+config WIFI_NM_WPA_SUPPLICANT_11AX
+	default n
+
+config WIFI_NM_WPA_SUPPLICANT_11AC
+	default n
+
 choice NXP_WIFI_PART
 	default NXP_IW416
 endchoice