linux-aspeed: Move to 5.3.15

This includes security and bug fixes from the 5.3.12, 5.3.13, 5.3.14 and
5.3.15 stable releases.

This is the final 5.3 bump. The openbmc kernel will now move to 5.4.

(From meta-aspeed rev: d3ba96954bb98db97c4c4bc2df730c547f17a391)

Change-Id: I3e3d4d3d1456bd00f91705a52eb1801fc6293168
Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/meta-aspeed/recipes-kernel/linux/linux-aspeed_git.bb b/meta-aspeed/recipes-kernel/linux/linux-aspeed_git.bb
index 2dedd19..0cf3798 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-5.3"
-LINUX_VERSION ?= "5.3.11"
+LINUX_VERSION ?= "5.3.15"
 
-SRCREV="20572eecd7248b66d855a8e4812debd9f828ccba"
+SRCREV="fdc60468f3e452364d432f1a7c3f83d58bba1b84"
 
 require linux-aspeed.inc