MAINTAINERS: Add Julius as LZ4 maintainer

I imported the LZ4 compression code and want to keep an eye on it to
ensure that our sources stay in sync with upstream.

Change-Id: I249ce24f6630d66d451d993198cd267478e5743e
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/21488
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Martin Roth <martinroth@google.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index 56218a2..584465f 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -315,6 +315,13 @@
 F:	src/arch/x86/acpi/
 F:	util/acpi/
 
+LZ4 COMPRESSION
+M:	Julius Werner <jwerner@chromium.org>
+S:	Supported
+F:	src/commonlib/lz4*
+F:	payloads/libpayload/liblz4/
+F:	util/cbfstool/lz4/
+
 ARM ARCHITECTURE
 M:	Julius Werner <jwerner@chromium.org>
 S:	Supported