[matter] add FEATURES="split-log" and CMAKE_NO_COLOR="yes" to builder env

services/matter

@@ -746,6 +746,8 @@ class PackageBuilder(object):
         NOTE: negative errors indicate warnings that can be skipped.
         """
         os.environ['ACCEPT_PROPERTIES'] = "* -interactive"
+        os.environ['FEATURES'] = "split-log"
+        os.environ['CMAKE_NO_COLOR'] = "yes"
 
         from _emerge.depgraph import backtrack_depgraph
         from _emerge.actions import load_emerge_config, action_build