CODEOWNERS: Add code ownership for gen_relocate_app.py

Add myself as code owner for script gen_relocate_app.py.

Signed-off-by: Wentong Wu <wentong.wu@intel.com>
diff --git a/CODEOWNERS b/CODEOWNERS
index da03e4e..f551e7b 100644
--- a/CODEOWNERS
+++ b/CODEOWNERS
@@ -296,6 +296,7 @@
 /scripts/gen_syscall_header.py            @andrewboie
 /scripts/gen_syscalls.py                  @andrewboie
 /scripts/process_gperf.py                 @andrewboie
+/scripts/gen_relocate_app.py              @wentongwu
 /scripts/sanity_chk/                      @nashif
 /scripts/sanitycheck                      @nashif
 /scripts/series-push-hook.sh              @erwango