linux-aspeed: Move to 5.1.6

This includes security and bug fixes from the 5.1.6 stable release.

Change-Id: I8b210d5708ad8161656d8156eb28644b5423fbc5
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 e432eed..606c2fd 100644
--- a/recipes-kernel/linux/linux-aspeed_git.bb
+++ b/recipes-kernel/linux/linux-aspeed_git.bb
@@ -1,6 +1,6 @@
 KBRANCH ?= "dev-5.1"
-LINUX_VERSION ?= "5.1.5"
+LINUX_VERSION ?= "5.1.6"
 
-SRCREV="42a312b1b9fe4c0acfe812e7e5d6ff43cf81bb0f"
+SRCREV="5da4e5d27ab4917d0202363838fe55b48011bf3e"
 
 require linux-aspeed.inc