linux: Move to 4.18 based tree

This rebases the OpenBMC kernel tree on a 4.18 base. There are 85
patches backported from 4.19-rc1, and the following 39 out of tree
patches:

Alexander Amelkin (1):
      mtd: spi-nor: fix options for mx66l51235f

Andrew Jeffery (8):
      ARM: dts: aspeed: witherspoon: Update max31785 node
      dt-bindings: hwmon: pmbus: Add Maxim MAX31785 documentation
      pmbus (max31785): Add support for devicetree configuration
      pmbus (core): One-shot retries for failure to set page
      pmbus (core): Use driver callbacks in pmbus_get_fan_rate()
      pmbus (max31785): Wrap all I2C accessors in one-shot failure handlers
      soc: aspeed: Miscellaneous control interfaces
      ARM: dts: aspeed-g5: Expose VGA and SuperIO scratch registers

Benjamin Herrenschmidt (4):
      ARM: dts: aspeed: Romulus system can use coprocessor for FSI
      ARM: dts: aspeed: Palmetto system can use coprocessor for FSI
      ARM: dts: aspeed: Add Power8 CFAM description for use by Palmetto
      ARM: dts: aspeed: Add Power9 CFAM description

Brad Bishop (1):
      ARM: configs: Remove atags from Aspeed G4 config

Christopher Bostic (1):
      iio: dps310: Temperature measurement errata

Cyril Bur (1):
      misc: Add ASPEED mbox driver

Cédric Le Goater (6):
      mtd: spi-nor: aspeed: use command mode for reads
      mtd: spi-nor: aspeed: add support for SPI dual IO read mode
      mtd: spi-nor: aspeed: link controller with the ahb clock
      mtd: spi-nor: aspeed: optimize read mode
      mtd: spi-nor: aspeed: limit the maximum SPI frequency
      ARM: dts: aspeed: Add "spi-max-frequency" property

Edward A. James (2):
      drivers/fsi: Add On-Chip Controller (OCC) driver
      hwmon: Add On-Chip Controller (OCC) hwmon driver

Joel Stanley (15):
      ARM: dts: aspeed-palmetto: Add LPC control node
      ARM: dts: aspeed-palmetto: Add i2c OCC hwmon node
      ARM: dts: aspeed-ast2500: Update flash layout
      ARM: dts: aspeed: Add LPC mailbox node
      ARM: dts: aspeed: Enable mbox
      iio: Add driver for Infineon DPS310
      ARM: dts: aspeed-g4: Expose SuperIO scratch registers
      ARM: dts: aspeed-g5: Add resets and clocks to GFX node
      ARM: dts: aspeed: Enable the GFX IP
      ARM: dts: aspeed: Enable VHUB on Romulus
      drm: Add ASPEED GFX driver
      drm: aspeed: Debugfs interface for GFX registers
      dt-bindings: gpu: Add ASPEED GFX bindings document
      ARM: config: aspeed: Add out of tree drivers
      ARM: dts: Add OCC description to Power9 dtsi

Change-Id: I939e51e4af04b9425211961cbff087d4720c3ba6
Signed-off-by: Joel Stanley <joel@jms.id.au>
diff --git a/recipes-kernel/linux/ast2400/defconfig b/recipes-kernel/linux/ast2400/defconfig
index 5c789d7..bc85ca8 100644
--- a/recipes-kernel/linux/ast2400/defconfig
+++ b/recipes-kernel/linux/ast2400/defconfig
@@ -21,8 +21,6 @@
 CONFIG_SLAB=y
 CONFIG_SLAB_FREELIST_RANDOM=y
 CONFIG_JUMP_LABEL=y
-CONFIG_GCC_PLUGINS=y
-CONFIG_CC_STACKPROTECTOR_STRONG=y
 CONFIG_STRICT_KERNEL_RWX=y
 # CONFIG_LBDAF is not set
 # CONFIG_BLK_DEV_BSG is not set
@@ -41,8 +39,6 @@
 # CONFIG_ATAGS is not set
 CONFIG_ZBOOT_ROM_TEXT=0x0
 CONFIG_ZBOOT_ROM_BSS=0x0
-CONFIG_ARM_APPENDED_DTB=y
-CONFIG_ARM_ATAG_DTB_COMPAT=y
 CONFIG_KEXEC=y
 # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
 CONFIG_NET=y
@@ -80,7 +76,6 @@
 CONFIG_MTD_UBI_FASTMAP=y
 CONFIG_MTD_UBI_BLOCK=y
 CONFIG_BLK_DEV_LOOP=y
-CONFIG_BLK_DEV_RAM=y
 CONFIG_ASPEED_LPC_CTRL=y
 CONFIG_ASPEED_LPC_SNOOP=y
 CONFIG_ASPEED_LPC_MBOX=y
@@ -91,8 +86,8 @@
 # CONFIG_NET_VENDOR_AMAZON is not set
 # CONFIG_NET_VENDOR_AQUANTIA is not set
 # CONFIG_NET_VENDOR_ARC is not set
-# CONFIG_NET_CADENCE is not set
 # CONFIG_NET_VENDOR_BROADCOM is not set
+# CONFIG_NET_CADENCE is not set
 # CONFIG_NET_VENDOR_CIRRUS is not set
 # CONFIG_NET_VENDOR_CORTINA is not set
 # CONFIG_NET_VENDOR_EZCHIP is not set
@@ -103,6 +98,7 @@
 # CONFIG_NET_VENDOR_MARVELL is not set
 # CONFIG_NET_VENDOR_MELLANOX is not set
 # CONFIG_NET_VENDOR_MICREL is not set
+# CONFIG_NET_VENDOR_MICROSEMI is not set
 # CONFIG_NET_VENDOR_NATSEMI is not set
 # CONFIG_NET_VENDOR_NETRONOME is not set
 # CONFIG_NET_VENDOR_NI is not set
@@ -115,9 +111,9 @@
 # CONFIG_NET_VENDOR_SMSC is not set
 # CONFIG_NET_VENDOR_SOCIONEXT is not set
 # CONFIG_NET_VENDOR_STMICRO is not set
+# CONFIG_NET_VENDOR_SYNOPSYS is not set
 # CONFIG_NET_VENDOR_VIA is not set
 # CONFIG_NET_VENDOR_WIZNET is not set
-# CONFIG_NET_VENDOR_SYNOPSYS is not set
 CONFIG_BROADCOM_PHY=y
 CONFIG_REALTEK_PHY=y
 # CONFIG_USB_NET_DRIVERS is not set
@@ -192,6 +188,7 @@
 CONFIG_LEDS_TRIGGER_DEFAULT_ON=y
 CONFIG_RTC_CLASS=y
 CONFIG_RTC_DRV_DS1307=y
+# CONFIG_RTC_DRV_DS1307_HWMON is not set
 CONFIG_RTC_DRV_PCF8523=y
 CONFIG_RTC_DRV_RV8803=y
 # CONFIG_VIRTIO_MENU is not set
diff --git a/recipes-kernel/linux/ast2500/defconfig b/recipes-kernel/linux/ast2500/defconfig
index 12234df..b477200 100755
--- a/recipes-kernel/linux/ast2500/defconfig
+++ b/recipes-kernel/linux/ast2500/defconfig
@@ -21,9 +21,8 @@
 CONFIG_SLAB=y
 CONFIG_SLAB_FREELIST_RANDOM=y
 CONFIG_JUMP_LABEL=y
-CONFIG_GCC_PLUGINS=y
-CONFIG_CC_STACKPROTECTOR_STRONG=y
 CONFIG_STRICT_KERNEL_RWX=y
+CONFIG_GCC_PLUGINS=y
 # CONFIG_LBDAF is not set
 # CONFIG_BLK_DEV_BSG is not set
 # CONFIG_BLK_DEBUG_FS is not set
@@ -90,8 +89,10 @@
 # CONFIG_NET_VENDOR_AMAZON is not set
 # CONFIG_NET_VENDOR_AQUANTIA is not set
 # CONFIG_NET_VENDOR_ARC is not set
-# CONFIG_NET_CADENCE is not set
+# CONFIG_NET_VENDOR_AURORA is not set
 # CONFIG_NET_VENDOR_BROADCOM is not set
+# CONFIG_NET_VENDOR_CADENCE is not set
+# CONFIG_NET_VENDOR_CAVIUM is not set
 # CONFIG_NET_VENDOR_CIRRUS is not set
 # CONFIG_NET_VENDOR_CORTINA is not set
 # CONFIG_NET_VENDOR_EZCHIP is not set
@@ -102,6 +103,7 @@
 # CONFIG_NET_VENDOR_MARVELL is not set
 # CONFIG_NET_VENDOR_MELLANOX is not set
 # CONFIG_NET_VENDOR_MICREL is not set
+# CONFIG_NET_VENDOR_MICROSEMI is not set
 # CONFIG_NET_VENDOR_NATSEMI is not set
 # CONFIG_NET_VENDOR_NETRONOME is not set
 # CONFIG_NET_VENDOR_NI is not set
@@ -114,9 +116,9 @@
 # CONFIG_NET_VENDOR_SMSC is not set
 # CONFIG_NET_VENDOR_SOCIONEXT is not set
 # CONFIG_NET_VENDOR_STMICRO is not set
+# CONFIG_NET_VENDOR_SYNOPSYS is not set
 # CONFIG_NET_VENDOR_VIA is not set
 # CONFIG_NET_VENDOR_WIZNET is not set
-# CONFIG_NET_VENDOR_SYNOPSYS is not set
 CONFIG_BROADCOM_PHY=y
 CONFIG_REALTEK_PHY=y
 # CONFIG_USB_NET_DRIVERS is not set
diff --git a/recipes-kernel/linux/linux-aspeed_git.bb b/recipes-kernel/linux/linux-aspeed_git.bb
index d719ac7..46884a3 100644
--- a/recipes-kernel/linux/linux-aspeed_git.bb
+++ b/recipes-kernel/linux/linux-aspeed_git.bb
@@ -1,6 +1,6 @@
-KBRANCH ?= "dev-4.17"
-LINUX_VERSION ?= "4.17.18"
+KBRANCH ?= "dev-4.18"
+LINUX_VERSION ?= "4.18.5"
 
-SRCREV="80d901318acc389e6e09698a8927bf6eb29da314"
+SRCREV="b9bdffdd891707c4d6995fbc7118fdb9ea426c47"
 
 require linux-aspeed.inc