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/yocto-poky/meta/recipes-devtools/gcc/gcc-5.4.inc b/import-layers/yocto-poky/meta/recipes-devtools/gcc/gcc-5.4.inc
index 338530f..b769675 100644
--- a/import-layers/yocto-poky/meta/recipes-devtools/gcc/gcc-5.4.inc
+++ b/import-layers/yocto-poky/meta/recipes-devtools/gcc/gcc-5.4.inc
@@ -89,6 +89,7 @@
            file://0057-unwind-fix-for-musl.patch \
            file://0058-fdebug-prefix-map-support-to-remap-relative-path.patch \
            file://0059-libgcc-use-ldflags.patch \
+           file://CVE-2016-6131.patch \
 "
 
 BACKPORTS = ""