linux: Move to 4.17.18 stable release

This updates the kernel to the latest 4.17 stable release.

(From meta-nuvoton rev: 8730f2ecb7acdc3bf27c20a4d9b6c70fad9eab11)

Change-Id: If07d6ce0942671cd112fa05713850d42cf55317e
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 bdd08bc..4c6b035 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 ?= "4.17.14"
+LINUX_VERSION ?= "4.17.18"
 
-SRCREV="4b44547f456a87e8456fe3f4ed2b62ab696249b7"
+SRCREV="80d901318acc389e6e09698a8927bf6eb29da314"
 
 require linux-nuvoton.inc