Fix wireguard dependencies.

Author: brocaar

layers/targets/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi_%.bbappend

@@ -6,4 +6,6 @@ KERNEL_MODULE_AUTOLOAD += "i2c-dev"
 
 do_configure_prepend() {
     kernel_configure_variable OVERLAY_FS y
+    kernel_configure_variable CONFIG_NET_UDP_TUNNEL y
+    kernel_configure_variable NET_FOU y
 }

meta/conf/distro/chirpstack-gateway-os.conf

@@ -1,5 +1,5 @@
 DISTRO = "chirpstack-gateway-os"
 DISTRO_NAME = "ChirpStack Gateway OS"
-DISTRO_VERSION = "3.3.0-test.1"
+DISTRO_VERSION = "3.3.0-test.2"
 
 EXTRA_IMAGE_FEATURES += "ssh-server-dropbear"

meta/recipes-networking/wireguard-client-config/wireguard-client-config_1.0.1.bb

@@ -5,7 +5,8 @@ LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda
 
 # procps is needed to work around the following wireguard error:
 # sysctl: invalid option -- 'r'
-RDEPENDS_${PN} = "wireguard-tools wireguard-module procps"
+# iproute2 is needed as busybox ip command does not implement all needed features.
+RDEPENDS_${PN} = "wireguard-tools wireguard-module procps iproute2"
 
 SRC_URI = " \
     file://wireguard.init \