Sync tf_config files with internal CI

Signed-off-by: Zelalem <zelalem.aweke@arm.com>
Change-Id: I064f4f252fe7d3770719dee040feb96ea180a9bb
diff --git a/tf_config/juno-enable-runtime-instr b/tf_config/juno-enable-runtime-instr
new file mode 100644
index 0000000..f986665
--- /dev/null
+++ b/tf_config/juno-enable-runtime-instr
@@ -0,0 +1,3 @@
+CROSS_COMPILE=aarch64-none-elf-
+ENABLE_RUNTIME_INSTRUMENTATION=1
+PLAT=juno