config.{sub,guess}: Updated to the latest version (fixes #282)

Author: zdohnal

NEWS

@@ -4,6 +4,7 @@
 - Accessiblity improvements (#244)
 - system-config-printer couldn't be uninstalled vi GNOME Software (#273)
 - system-config-printer crashes due missing libhandy (#283)
+- Updated config.sub and config.guess to fix configuration error on RiSC (#282)
 - Use pkg-config or --with-cups-serverbin-dir for finding SERVERBIN (#234)
 
 1.5.17 changes