kernel: Move to 4.17.11 stable release

This merges in the latest 4.17 stable tree, which includes fixes for USB
gadget as well as security and other bug fixes.

Change-Id: Ia2cd9ab232a0cb2ef7271fd1c643d4376fccfb3a
Signed-off-by: Joel Stanley <joel@jms.id.au>
diff --git a/meta-openbmc-bsp/meta-aspeed/recipes-kernel/linux/linux-aspeed_git.bb b/meta-openbmc-bsp/meta-aspeed/recipes-kernel/linux/linux-aspeed_git.bb
index 8b2459c..f2a48dd 100644
--- a/meta-openbmc-bsp/meta-aspeed/recipes-kernel/linux/linux-aspeed_git.bb
+++ b/meta-openbmc-bsp/meta-aspeed/recipes-kernel/linux/linux-aspeed_git.bb
@@ -1,6 +1,6 @@
 KBRANCH ?= "dev-4.17"
-LINUX_VERSION ?= "4.17.7"
+LINUX_VERSION ?= "4.17.11"
 
-SRCREV="032f013a2041f7d3e0d604dfd78b8878a69d481d"
+SRCREV="db64579331df4ff9d9c2706601fdb41978192a09"
 
 require linux-aspeed.inc