Yocto 2.5

Move OpenBMC to Yocto 2.5(sumo)

Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
Change-Id: I5c5ad6904a16e14c1c397f0baf10c9d465594a78
diff --git a/import-layers/yocto-poky/meta/classes/reproducible_build_simple.bbclass b/import-layers/yocto-poky/meta/classes/reproducible_build_simple.bbclass
new file mode 100644
index 0000000..8a60dee
--- /dev/null
+++ b/import-layers/yocto-poky/meta/classes/reproducible_build_simple.bbclass
@@ -0,0 +1,10 @@
+# Setup default environment for reproducible builds.
+
+BUILD_REPRODUCIBLE_BINARIES = "1"
+
+export PYTHONHASHSEED = "0"
+export PERL_HASH_SEED = "0"
+export SOURCE_DATE_EPOCH ??= "1520598896"
+
+REPRODUCIBLE_TIMESTAMP_ROOTFS ??= "1520598896"
+