Prepare v2017.09

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/Makefile b/Makefile
index 5bb3b09..8086f3c 100644
--- a/Makefile
+++ b/Makefile
@@ -5,7 +5,7 @@
 VERSION = 2017
 PATCHLEVEL = 09
 SUBLEVEL =
-EXTRAVERSION = -rc4
+EXTRAVERSION =
 NAME =
 
 # *DOCUMENTATION*