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/classes/own-mirrors.bbclass b/import-layers/yocto-poky/meta/classes/own-mirrors.bbclass
index 12b4267..0296d54 100644
--- a/import-layers/yocto-poky/meta/classes/own-mirrors.bbclass
+++ b/import-layers/yocto-poky/meta/classes/own-mirrors.bbclass
@@ -9,5 +9,5 @@
 osc://.*/.*     ${SOURCE_MIRROR_URL}
 https?$://.*/.* ${SOURCE_MIRROR_URL}
 ftp://.*/.*     ${SOURCE_MIRROR_URL}
-npm://.*/.*     ${SOURCE_MIRROR_URL}
+npm://.*/?.*    ${SOURCE_MIRROR_URL}
 }