meta-chromium: Support whinlatter only

There are breaking changes in whinlatter in oe-core.

Part of the changes was that meta-clang was merged into oe-core.
There's no need to depend on meta-clang anymore.

Signed-off-by: Zoltán Böszörményi <[email protected]>

Author: zboszor

meta-chromium/conf/layer.conf

@@ -9,6 +9,6 @@ BBFILE_PATTERN_chromium-browser-layer := "^${LAYERDIR}/"
 BBFILE_PRIORITY_chromium-browser-layer = "7"
 
 LAYERVERSION_chromium-browser-layer = "1"
-LAYERSERIES_COMPAT_chromium-browser-layer = "scarthgap styhead walnascar whinlatter"
+LAYERSERIES_COMPAT_chromium-browser-layer = "whinlatter"
 
-LAYERDEPENDS_chromium-browser-layer = "clang-layer core openembedded-layer"
+LAYERDEPENDS_chromium-browser-layer = "core openembedded-layer"