linux-aspeed: Move to v6.6.40 stable release

Apply the upstream security and bug fixes.

Change-Id: I8be23fc095b94cd1edf6879a499939fab5eb31f7
Signed-off-by: Andrew Jeffery <andrew@codeconstruct.com.au>
diff --git a/meta-aspeed/recipes-kernel/linux/linux-aspeed_git.bb b/meta-aspeed/recipes-kernel/linux/linux-aspeed_git.bb
index df9ce56..555f86b 100644
--- a/meta-aspeed/recipes-kernel/linux/linux-aspeed_git.bb
+++ b/meta-aspeed/recipes-kernel/linux/linux-aspeed_git.bb
@@ -1,6 +1,6 @@
 KBRANCH ?= "dev-6.6"
-LINUX_VERSION ?= "6.6.39"
+LINUX_VERSION ?= "6.6.40"
 
-SRCREV="ee1cd5048959de496cd005c50b137212a5b62062"
+SRCREV="04193bad10af990b2aee166e1ad896689dce5bdd"
 
 require linux-aspeed.inc