meta-oniro-staging: Bump layer's priority

We provide recipes that other projects/layers do as well (for example gn
is also provided by meta-arm). Make sure that our layer has a higher
priority when most of the upstream layers use the default 5.

Signed-off-by: Andrei Gherzan <andrei.gherzan@huawei.com>

meta-oniro-staging/conf/layer.conf

@@ -23,7 +23,7 @@ BBFILES_DYNAMIC += "\
 
 BBFILE_COLLECTIONS += "oniro-staging"
 BBFILE_PATTERN_oniro-staging = "^${LAYERDIR}/"
-BBFILE_PRIORITY_oniro-staging = "5"
+BBFILE_PRIORITY_oniro-staging = "6"
 
 LAYERDEPENDS_oniro-staging = " \
     core \