Update FileCheck path to llvm-16-tools

Change-Id: I97de9508832b66f3076c9c478f25940e381edf04

README.md

diff --git a/README.md b/README.md
index 6eb4a2d..ddc43c2 100644
--- a/README.md
+++ b/README.md
@@ -83,7 +83,7 @@
 lit --path <Filecheck dir> -a <output dir>
 ```
 
-Filecheck in Debian testing is under `/usr/lib/llvm-14/bin`
+Filecheck in Debian testing is under `/usr/lib/llvm-16/bin`
 
 Default is renode tests for Springbok. Add`-D RUNNER=kelvin` to enable renode
 tests for Kelvin. Add`-D RUNNER=kelvin_hw` to enable renode tests for Kelvin HW.