cloud-images: add wireguard support kernel side

Author: SuperKali

config/kernel/linux-uefi-x86-cloud.config

@@ -125,6 +125,7 @@ CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y
 CONFIG_XFRM_USER=y
+CONFIG_WIREGUARD=y
 CONFIG_INET=y
 CONFIG_IP_MULTICAST=y
 CONFIG_IP_ADVANCED_ROUTER=y