Remove 917 generated files from the restyler (SiliconLabs#211)

remove 917 generated files from the restyler

Author: mkardous-silabs

.restyled.yaml

@@ -44,6 +44,7 @@ exclude:
     - ".github/**/*" # https://github.com/restyled-io/restyler/issues/73
     - ".github/*" # https://github.com/restyled-io/restyler/issues/73
     - "matter/efr32/**/*" #ignore Simplicity Studio generated files
+    - "matter/si91x/**/*" #ignore Simplicity Studio generated files
 
 
 changed_paths: