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/recipes-test/images/oe-selftest-image.bb b/import-layers/yocto-poky/meta-selftest/recipes-test/images/oe-selftest-image.bb
index f17094c..5d4d10e 100644
--- a/import-layers/yocto-poky/meta-selftest/recipes-test/images/oe-selftest-image.bb
+++ b/import-layers/yocto-poky/meta-selftest/recipes-test/images/oe-selftest-image.bb
@@ -1,6 +1,6 @@
 SUMMARY = "An image used during oe-selftest tests"
 
-IMAGE_INSTALL = "packagegroup-core-boot ${ROOTFS_PKGMANAGE_BOOTSTRAP} dropbear"
+IMAGE_INSTALL = "packagegroup-core-boot dropbear"
 IMAGE_FEATURES = "debug-tweaks"
 
 IMAGE_LINGUAS = " "