trace-cmd: disable on avr32

AVR32 does not have TLS support.

Fixes:
http://autobuild.buildroot.net/results/e24/e24af3ceb125da50f0f5cbffb0e3ca091c68af33/build-end.log

Signed-off-by: Romain Naour <romain.naour@openwide.fr>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/trace-cmd/Config.in

@@ -2,6 +2,7 @@ config BR2_PACKAGE_TRACE_CMD
 	bool "trace-cmd"
 	depends on BR2_LARGEFILE
 	depends on BR2_TOOLCHAIN_HAS_THREADS
+	depends on !BR2_avr32 # AVR32 does not have TLS support
 	help
 	  Command line reader for ftrace.