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-selftest/wic/wictestdisk.wks b/import-layers/yocto-poky/meta-selftest/wic/wictestdisk.wks
new file mode 100644
index 0000000..d4de24d
--- /dev/null
+++ b/import-layers/yocto-poky/meta-selftest/wic/wictestdisk.wks
@@ -0,0 +1,7 @@
+# short-description: image for use in machine agnostic wic test cases
+
+# /boot is intentionally an empty partition
+part /boot --ondisk sda --label boot --active --align 1024 --size 16
+part / --source rootfs --ondisk sda --fstype=ext4 --label platform --align 1024 --use-uuid
+
+# bootloader is intentionally left out