Makefile: Update version info

Change-Id: I30be6a61d107b708e2e1b59b021c44aefc14058e
diff --git a/Makefile b/Makefile
index e324821..9689536 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@
 
 VERSION = 2019
 PATCHLEVEL = 04
-SUBLEVEL =
+SUBLEVEL = 1
 EXTRAVERSION =
 NAME =