Makefile: bump version

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
diff --git a/queue/Linux-4.8.28.patch b/queue/Linux-4.8.28.patch
new file mode 100644
index 0000000..6cc6c0e
--- /dev/null
+++ b/queue/Linux-4.8.28.patch
@@ -0,0 +1,22 @@
+From e56c91c9785cb3bd91cae064b03299a9340b9f58 Mon Sep 17 00:00:00 2001
+From: Paul Gortmaker <paul.gortmaker@windriver.com>
+Date: Wed, 7 Mar 2018 09:47:48 -0500
+Subject: [PATCH] Linux 4.8.28
+
+Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
+
+diff --git a/Makefile b/Makefile
+index cc2694ff141b..f724561a9cc7 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,6 +1,6 @@
+ VERSION = 4
+ PATCHLEVEL = 8
+-SUBLEVEL = 27
++SUBLEVEL = 28
+ EXTRAVERSION =
+ NAME = Psychotic Stoned Sheep
+ 
+-- 
+2.15.0
+
diff --git a/queue/series b/queue/series
index 9bc6716..a9dfb02 100644
--- a/queue/series
+++ b/queue/series
@@ -21,3 +21,5 @@
 
 # v4.14-rc7~7
 assoc_array-Fix-a-buggy-node-splitting-case.patch
+
+Linux-4.8.28.patch