lxc: needs timerfd, disable on avr32

Fixes http://autobuild.buildroot.net/results/79a/79ad9d7f5a9fb48e7d3210f0aee14638fde8f3e7/

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/lxc/Config.in

@@ -5,6 +5,7 @@ config BR2_PACKAGE_LXC
 	depends on BR2_TOOLCHAIN_HAS_THREADS
 	depends on BR2_LARGEFILE
 	depends on BR2_USE_MMU # fork()
+	depends on !BR2_avr32 # no timerfd
 	help
 	  Linux Containers (LXC), provides the ability to group and isolate
 	  of a set of processes in a jail by virtualizing and accounting the
@@ -14,4 +15,5 @@ config BR2_PACKAGE_LXC
 
 comment "lxc needs a toolchain w/ IPv6, threads, largefile"
 	depends on BR2_USE_MMU
+	depends on !BR2_avr32 # no timerfd
 	depends on !BR2_INET_IPV6 || !BR2_TOOLCHAIN_HAS_THREADS || !BR2_LARGEFILE