fsp2: move to 4.17.18

Bump the linux kernel version to 4.17.18 which includes
fix for the secuirity vulnerability in #3359.

(From meta-ibm rev: 122f4e781fbcd81e83a18723d47af9c3d492c9a7)

Change-Id: I37cb893989cdc924f7905bb915d9111e4ac6631d
Signed-off-by: Ivan Mikhaylov <ivan@de.ibm.com>
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/meta-ibm/meta-fsp2/recipes-kernel/linux/linux-fsp2_4.17.bb b/meta-ibm/meta-fsp2/recipes-kernel/linux/linux-fsp2_4.17.bb
new file mode 100644
index 0000000..bb4d96c
--- /dev/null
+++ b/meta-ibm/meta-fsp2/recipes-kernel/linux/linux-fsp2_4.17.bb
@@ -0,0 +1,5 @@
+LINUX_VERSION ?= "4.17.18"
+
+SRCREV="80d901318acc389e6e09698a8927bf6eb29da314"
+
+require linux-fsp2.inc