kernel: Move to Linux 4.17.12-openpower1

PowerPC fixes:

 mm, powerpc, x86: define VM_PKEY_BITx bits if CONFIG_ARCH_HAS_PKEYS is enabled
 bpf: powerpc64: pad function address loads with NOPs
 powerpc: Add __printf verification to prom_printf
 powerpc/powermac: Mark variable x as unused
 powerpc/powermac: Add missing prototype for note_bootable_part()
 powerpc/chrp/time: Make some functions static, add missing header include
 powerpc/32: Add a missing include header
 powerpc/64s: Fix compiler store ordering to SLB shadow area
 powerpc/eeh: Fix use-after-release of EEH driver
 powerpc/64s: Add barrier_nospec

Driver fixes:

 cxgb4: Added missing break in ndo_udp_tunnel_{add/del}
 igb: Fix queue selection on MAC filters on i210
 i40e: avoid overflow in i40e_ptp_adjfreq()
 i40e: Add advertising 10G LR mode
 i40e: free the skb after clearing the bitlock
 ixgbevf: fix MAC address changes through ixgbevf_set_mac()
 ixgbe: Fix setting of TC configuration for macvlan case

Signed-off-by: Joel Stanley <joel@jms.id.au>
diff --git a/openpower/configs/zaius_defconfig b/openpower/configs/zaius_defconfig
index dd6ac2c..e6280c1 100644
--- a/openpower/configs/zaius_defconfig
+++ b/openpower/configs/zaius_defconfig
@@ -14,7 +14,7 @@
 BR2_ROOTFS_POST_BUILD_SCRIPT="../openpower/scripts/fixup-target-var ../openpower/scripts/firmware-whitelist"
 BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_VERSION=y
-BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="4.17.11"
+BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="4.17.12"
 BR2_LINUX_KERNEL_PATCH="$(BR2_EXTERNAL_OP_BUILD_PATH)/linux"
 BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
 BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="$(BR2_EXTERNAL_OP_BUILD_PATH)/configs/linux/skiroot_defconfig"