phosphor: Rename bb file collection

Typical upstream layers have a -layer suffix.  Rename
from obmc-phosphor to phosphor-layer to match this de-facto
standard.  Some existing layers that use this convention
include:

openembedded-layer
networking-layer
perl-layer
virtualization-layer

Change-Id: I5df5273b7ef4a0d8742b74a9b1ecd680a8598b04
Tested: Built a palmetto image
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/meta-phosphor/conf/layer.conf b/meta-phosphor/conf/layer.conf
index c905466..a9d03fa 100644
--- a/meta-phosphor/conf/layer.conf
+++ b/meta-phosphor/conf/layer.conf
@@ -5,10 +5,10 @@
 BBFILES += "${LAYERDIR}/common/recipes-*/*/*.bb \
             ${LAYERDIR}/common/recipes-*/*/*.bbappend"
 
-BBFILE_COLLECTIONS += "obmc-phosphor"
-BBFILE_PATTERN_obmc-phosphor = "^${LAYERDIR}/"
-LAYERVERSION_obmc-phosphor = "1"
-LAYERSERIES_COMPAT_obmc-phosphor = "sumo"
+BBFILE_COLLECTIONS += "phosphor-layer"
+BBFILE_PATTERN_phosphor-layer = "^${LAYERDIR}/"
+LAYERVERSION_phosphor-layer = "1"
+LAYERSERIES_COMPAT_phosphor-layer = "sumo"
 
 # Provide a variable that points the base of the phosphor layer.
 PHOSPHORBASE = '${@os.path.normpath("${LAYERDIR}/")}'