meta: re-enable utrace feature for linux-yocto

Re-enable the 'utrace feature' that turns on the kernel options required for utrace, used mainly to enable userspace tracing for systemtap.

---
 meta/cfg/kernel-cache/ktypes/standard/standard.scc |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

index 38034d9..b4e22d0 100644
@@ -17,6 +17,9 @@ include features/lttng/lttng.scc
 include features/systemtap/systemtap.scc
 tag systemtap
 
+include features/utrace/utrace.scc
+tag utrace
+
 include arch/arm/arm.scc
 tag arm
 

1.7.0.4