linux-aspeed: Move to 4.19.26

This includes security and bug fixes from the 4.19.22, 4.19.23, 4.19.24,
4.19.25 and 4.19.26 stable releases.

Change-Id: I26eb29b38118a2bbd73633cf2e78eb1447c54c60
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 e27482b..b9be23f 100644
--- a/recipes-kernel/linux/linux-aspeed_git.bb
+++ b/recipes-kernel/linux/linux-aspeed_git.bb
@@ -1,6 +1,6 @@
 KBRANCH ?= "dev-4.19"
-LINUX_VERSION ?= "4.19.21"
+LINUX_VERSION ?= "4.19.26"
 
-SRCREV="d808d27f70f7d4158151534ed0a28ab7dae62b8d"
+SRCREV="aca5a55b09ffa6a74d5a63fe6a908586a2ad1d80"
 
 require linux-aspeed.inc