linux-aspeed: Move to 5.4.48

This includes security and bug fixes from the 5.4.45, 5.4.46, 5.4.47 and
5.4.48 stable releases.

Change-Id: I94ac43a38c28a5c601ccf6871d40f1b9994b1265
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 c2128e1..d534250 100644
--- a/recipes-kernel/linux/linux-aspeed_git.bb
+++ b/recipes-kernel/linux/linux-aspeed_git.bb
@@ -1,6 +1,6 @@
 KBRANCH ?= "dev-5.4"
-LINUX_VERSION ?= "5.4.44"
+LINUX_VERSION ?= "5.4.48"
 
-SRCREV="142b6a95639c59e1d9e65f0fb14ed3408e8c611d"
+SRCREV="f77eed1af7f260c2444fd5d4e1ebb0d8c4aa366f"
 
 require linux-aspeed.inc