ccache: cleanup config

toolchain/ccache/Config.in.2

@@ -1,7 +1,7 @@
 #
 
 config BR2_PACKAGE_CCACHE_TARGET
-	bool"ccache support in the target filesystem"
+	bool "ccache support in the target filesystem"
 	help
-	  Add help text here.
+	  ccache support in the target filesystem