linux-aspeed: Move to 4.19.13

This includes security and bug fixes from the 4.19.10, 4.19.11, 4.19.12
and 4.19.13 stable releases.

Change-Id: I779fca12661d6c8e580b2a86d2b6f81f4c5e3358
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 4a7e433..cf9b058 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 ?= "4.19.9"
+LINUX_VERSION ?= "4.19.13"
 
-SRCREV="68a3f3ea250cb3aa0e6aa11b0df09bd4d59a2009"
+SRCREV="721ae5d6de8caf61afbbb6b468ea4b99197cad53"
 
 require linux-aspeed.inc