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-kernel/dtc/dtc_1.4.2.bb b/import-layers/yocto-poky/meta/recipes-kernel/dtc/dtc_1.4.2.bb
new file mode 100644
index 0000000..cc72adc
--- /dev/null
+++ b/import-layers/yocto-poky/meta/recipes-kernel/dtc/dtc_1.4.2.bb
@@ -0,0 +1,10 @@
+require dtc.inc
+
+LIC_FILES_CHKSUM = "file://GPL;md5=94d55d512a9ba36caa9b7df079bae19f \
+		    file://libfdt/libfdt.h;beginline=3;endline=52;md5=fb360963151f8ec2d6c06b055bcbb68c"
+
+SRCREV = "ec02b34c05be04f249ffaaca4b666f5246877dea"
+
+S = "${WORKDIR}/git"
+
+BBCLASSEXTEND = "native nativesdk"