linux: Move to 4.18 based tree

This rebases the OpenBMC kernel tree on a 4.18 base. This includes
patches backported from 4.19-rc1 and out of tree patches.

Avi Fishman (2):
      USB host: Add USB ehci support for nuvoton npcm7xx platform
      dt-bindings: usb: new ehci-npcm7xx dt

Dan Carpenter (1):
      USB: host: ehci-npcm7xx: Fix some error codes in probe

Tomer Maimon (4):
      dt-binding: hwmon: Add NPCM7xx PWM and Fan controller documentation
      hwmon: Add NPCM7xx PWM and Fan driver
      dt-binding: pinctrl: Add NPCM7xx pinctrl and GPIO documentation
      pinctrl: nuvoton: add NPCM7xx pinctrl and GPIO driver

(From meta-nuvoton rev: a9a500c790336b9c63e99aa47a0f258affb40ffa)

Change-Id: Iadb2e5bf8740780437b9b68d6ea699b48f48290a
Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/meta-nuvoton/recipes-kernel/linux/linux-nuvoton_git.bb b/meta-nuvoton/recipes-kernel/linux/linux-nuvoton_git.bb
index 4c6b035..a8b8212 100644
--- a/meta-nuvoton/recipes-kernel/linux/linux-nuvoton_git.bb
+++ b/meta-nuvoton/recipes-kernel/linux/linux-nuvoton_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="6082c3474393633ed6452419e9c3e41273201121"
 
 require linux-nuvoton.inc