Config.in: rename xbmc -> kodi

This is a left-over of the xbmc->kodi rename patch
https://git.buildroot.net/buildroot/commit/package/kodi?id=3578459748d80cd469729319543b199380a4370f

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

Config.in

@@ -63,7 +63,7 @@ config BR2_HOST_GCC_AT_LEAST_7
 	select BR2_HOST_GCC_AT_LEAST_6
 
 # Hidden boolean selected by packages in need of Java in order to build
-# (example: xbmc)
+# (example: kodi)
 config BR2_NEEDS_HOST_JAVA
 	bool