linux-aspeed: Move to 5.0.4

This includes security and bug fixes from the 5.0.4 stable release.

Change-Id: Id9e39133e43cdccbf351ae045aaed09b4ca69727
Signed-off-by: Joel Stanley <joel@jms.id.au>
diff --git a/recipes-kernel/linux/linux-aspeed_git.bb b/recipes-kernel/linux/linux-aspeed_git.bb
index 001733c..edab670 100644
--- a/recipes-kernel/linux/linux-aspeed_git.bb
+++ b/recipes-kernel/linux/linux-aspeed_git.bb
@@ -1,6 +1,6 @@
 KBRANCH ?= "dev-5.0"
-LINUX_VERSION ?= "5.0.3"
+LINUX_VERSION ?= "5.0.4"
 
-SRCREV="b94b74e8b52db91fe4e99e0bb481ec8bf2b5b47c"
+SRCREV="8b3439b5b1608d580628af573000faa7d7db4b48"
 
 require linux-aspeed.inc