meta-quanta: Add explicit layer dependencies

Change-Id: I8e6712aaed3a4698d65984fa5081c1a400a686be
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/meta-quanta/conf/layer.conf b/meta-quanta/conf/layer.conf
index a64d93e..c461069 100644
--- a/meta-quanta/conf/layer.conf
+++ b/meta-quanta/conf/layer.conf
@@ -8,3 +8,4 @@
 BBFILE_COLLECTIONS += "quanta-layer"
 BBFILE_PATTERN_quanta-layer := "^${LAYERDIR}/"
 LAYERSERIES_COMPAT_quanta-layer = "hardknott honister"
+LAYERDEPENDS_quanta-layer = "phosphor-layer"