Linux 4.8.20

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
diff --git a/Makefile b/Makefile
index 91a9efe..e75ae4c 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 VERSION = 4
 PATCHLEVEL = 8
-SUBLEVEL = 19
+SUBLEVEL = 20
 EXTRAVERSION =
 NAME = Psychotic Stoned Sheep