Rename packagegroup-phosphor-apps

Rename to packagegroup-obmc-apps as this recipe provides structure
as opposed to reference implementation (Phosphor).

Change-Id: I0e0aa51453d35dce675874ffaf3ea497d097ed1a
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/common/recipes-phosphor/packagegroups/packagegroup-phosphor-apps.bbappend b/common/recipes-phosphor/packagegroups/packagegroup-obmc-apps.bbappend
similarity index 100%
rename from common/recipes-phosphor/packagegroups/packagegroup-phosphor-apps.bbappend
rename to common/recipes-phosphor/packagegroups/packagegroup-obmc-apps.bbappend