meta-openpower: Move layer content from common/

Adopt a more conventional directory hierarchy.  meta-openpower is still
a _long_ way from suitable for hosting on yoctoproject.org but things
like this don't help.

(From meta-openpower rev: 2c8db5661cecd7e4cc20bcb96df76490e62cfb67)

Change-Id: I415caaa28ec728f24e755ddb549012f24874fefe
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/meta-openpower/conf/layer.conf b/meta-openpower/conf/layer.conf
index 7b01b6c..50d750d 100644
--- a/meta-openpower/conf/layer.conf
+++ b/meta-openpower/conf/layer.conf
@@ -2,8 +2,8 @@
 BBPATH .= ":${LAYERDIR}"
 
 # We have recipes-* directories, add to BBFILES
-BBFILES += "${LAYERDIR}/common/recipes-*/*/*.bb \
-            ${LAYERDIR}/common/recipes-*/*/*.bbappend"
+BBFILES += "${LAYERDIR}/recipes-*/*/*.bb \
+            ${LAYERDIR}/recipes-*/*/*.bbappend"
 
 BBFILE_COLLECTIONS += "openpower"
 BBFILE_PATTERN_openpower = "^${LAYERDIR}/"