[codegen] compiler.cc OWNERS += marja

Change-Id: I60734c6aa33298fad43d37b78cba8a7af2cc3cfe
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3300131Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Reviewed-by: Nico Hartmann <nicohartmann@chromium.org>
Reviewed-by: Maya Lekova <mslekova@chromium.org>
Reviewed-by: Clemens Backes <clemensb@chromium.org>
Reviewed-by: Zhi An Ng <zhin@chromium.org>
Reviewed-by: Bill Budge <bbudge@chromium.org>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Commit-Queue: Leszek Swirski <leszeks@chromium.org>
Cr-Commit-Position: refs/heads/main@{#78085}

src/codegen/OWNERS

@@ -10,3 +10,5 @@ mslekova@chromium.org
 mvstanton@chromium.org
 nicohartmann@chromium.org
 zhin@chromium.org
+
+per-file compiler.*=marja@chromium.org