kernel: Release 4.12.0-openpower1

Drop 'Add OPAL exports attributes to sysfs' as it is now upstream.

Also drop 'xhci-do-not-halt-the-secondary-HCD', as upstream contains a
fix. This patch has been carried since the start of the OpenPower
kernel, good riddance.

Signed-off-by: Joel Stanley <joel@jms.id.au>
diff --git a/openpower/linux/0003-Release-OpenPower-kernel.patch b/openpower/linux/0003-Release-OpenPower-kernel.patch
new file mode 100644
index 0000000..77aa894
--- /dev/null
+++ b/openpower/linux/0003-Release-OpenPower-kernel.patch
@@ -0,0 +1,26 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Joel Stanley <joel@jms.id.au>
+Date: Wed, 3 May 2017 13:25:26 +0930
+Subject: [PATCH 3/3] Release OpenPower kernel
+
+Signed-off-by: Joel Stanley <joel@jms.id.au>
+---
+ Makefile | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/Makefile b/Makefile
+index 283c6236438e..329f7844383f 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,7 +1,7 @@
+ VERSION = 4
+ PATCHLEVEL = 12
+ SUBLEVEL = 0
+-EXTRAVERSION =
++EXTRAVERSION = -openpower1
+ NAME = Fearless Coyote
+ 
+ # *DOCUMENTATION*
+-- 
+2.13.2
+