kernel: Move to Linux v4.17.11-openpower1

PowerPC fixes:

 KVM: PPC: Check if IOMMU page is contained in the pinned physical page
 powerpc/powernv: Fix save/restore of SPRG3 on entry/exit from stop (idle)

Driver fixes:

 net/mlx5: Adjust clock overflow work period
 net/mlx5e: Fix quota counting in aRFS expire flow
 net/mlx5e: Don't allow aRFS for encapsulated packets
 net/mlx5e: Refine ets validation function
 net/mlx5e: Only allow offloading decap egress (egdev) flows
 net/mlx5e: Add ingress/egress indication for offloaded TC flows
 net/mlx5: E-Switch, UBSAN fix undefined behavior in mlx5_eswitch_mode
 net/mlx4_core: Save the qpn from the input modifier in RST2INIT wrapper
 net/mlx4_en: Don't reuse RX page when XDP is set
 tg3: Add higher cpu clock for 5762.

Signed-off-by: Joel Stanley <joel@jms.id.au>
diff --git a/openpower/linux/0002-Release-OpenPower-kernel.patch b/openpower/linux/0002-Release-OpenPower-kernel.patch
index 0aba181..3a97fc3 100644
--- a/openpower/linux/0002-Release-OpenPower-kernel.patch
+++ b/openpower/linux/0002-Release-OpenPower-kernel.patch
@@ -1,6 +1,6 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: Joel Stanley <joel@jms.id.au>
-Date: Mon, 23 Jul 2018 14:54:43 +0930
+Date: Mon, 30 Jul 2018 10:11:26 +0930
 Subject: [PATCH 2/2] Release OpenPower kernel
 
 Signed-off-by: Joel Stanley <joel@jms.id.au>
@@ -9,13 +9,13 @@
  1 file changed, 1 insertion(+), 1 deletion(-)
 
 diff --git a/Makefile b/Makefile
-index 693fde3aa317..4636e4992e3a 100644
+index e2664c641109..14bbfe0fb775 100644
 --- a/Makefile
 +++ b/Makefile
 @@ -2,7 +2,7 @@
  VERSION = 4
  PATCHLEVEL = 17
- SUBLEVEL = 9
+ SUBLEVEL = 11
 -EXTRAVERSION =
 +EXTRAVERSION = -openpower1
  NAME = Merciless Moray