meta-ingrasys: layer.conf: set BBFILE_PATTERN

Bitbake uses this regex to associate recipes and bbappends from BBFILES
(which contains recipes and bbappends from -all- layers listed in
bblayers.conf) to this layer.  The association is then used to map the
BBFILE_PRIORITY value for this layer onto the recipes provided by this
layer.

BBFILE_PRIORITY is used to determine which recipe to use when the same
recipe appears in multiple layers.

Without BBFILE_PATTERN set, recipes in this layer will get a default
priority and not the priority specified in BBFILE_PRIORITY.

This layer doesn't set a priority anyway, so functionally this patch is
a noop but it is an improvement from a correctness standpoint, and it
makes a warning go away.

(From meta-ingrasys rev: 7a286ca0dba71a6ef309ff031cafc06e2c00cb8d)

Signed-off-by: Patrick Venture <venture@google.com>
Change-Id: If0d38267efdf74a6d010278b5604ac517f4487da
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/meta-ingrasys/conf/layer.conf b/meta-ingrasys/conf/layer.conf
index a0eebb7..8d0b76b 100644
--- a/meta-ingrasys/conf/layer.conf
+++ b/meta-ingrasys/conf/layer.conf
@@ -2,7 +2,7 @@
 BBPATH .= ":${LAYERDIR}"
 
 BBFILE_COLLECTIONS += "ingrasys"
-BBFILE_PATTERN_ingrasys = ""
+BBFILE_PATTERN_ingrasys := "^${LAYERDIR}/"
 LAYERSERIES_COMPAT_ingrasys = "thud warrior"
 
 # Provide a variable that points the base of the ingrasys layer.