Yocto 2.3

Move OpenBMC to Yocto 2.3(pyro).

Tested: Built and verified Witherspoon and Palmetto images
Change-Id: I50744030e771f4850afc2a93a10d3507e76d36bc
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
Resolves: openbmc/openbmc#2461
diff --git a/import-layers/meta-openembedded/meta-networking/conf/layer.conf b/import-layers/meta-openembedded/meta-networking/conf/layer.conf
index c09ba4a..b5aa159 100644
--- a/import-layers/meta-openembedded/meta-networking/conf/layer.conf
+++ b/import-layers/meta-openembedded/meta-networking/conf/layer.conf
@@ -19,8 +19,9 @@
 
 LICENSE_PATH += "${LAYERDIR}/licenses"
 
-# used by waf-samba.bbclass
-WAF_CROSS_ANSWERS_PATH = "${LAYERDIR}/files/waf-cross-answers"
-
 # Override security flags
 require conf/distro/include/meta_networking_security_flags.inc
+
+SIGGEN_EXCLUDE_SAFE_RECIPE_DEPS += " \
+  wireguard-tools->wireguard-module \
+"