config: enable cgroup freezer

This option will be enabled by default only when cgroups support is enabled.

Signed-off-by: Luka Perkov <luka@openwrt.org>

SVN-Revision: 42464

config/Config-kernel.in

@@ -186,7 +186,7 @@ if KERNEL_CGROUPS
 
 	config KERNEL_CGROUP_FREEZER
 		bool "Freezer cgroup subsystem"
-		default n
+		default y
 		help
 		  Provides a way to freeze and unfreeze all tasks in a
 		  cgroup.