linux-aspeed: Move to v6.6.15 stable release

This includes security and bug fixes from v6.6.14 through v6.6.15 stable
releases.

Change-Id: Ia0916823281c65c8896c88e3ccf58137f2f62168
Signed-off-by: Andrew Jeffery <andrew@codeconstruct.com.au>
diff --git a/meta-aspeed/recipes-kernel/linux/linux-aspeed_git.bb b/meta-aspeed/recipes-kernel/linux/linux-aspeed_git.bb
index f37e780..94a01d4 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-6.6"
-LINUX_VERSION ?= "6.6.14"
+LINUX_VERSION ?= "6.6.15"
 
-SRCREV="1188f7f111c61394ec56beb8e30322305a8220b6"
+SRCREV="7d7ae873b5e0f46d19e5dc818d1a7809e4b7cc81"
 
 require linux-aspeed.inc