Update Linux to v5.4.148

Sourced from [1]

[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.4.148.tar.gz

Change-Id: Ib3d26c5ba9b022e2e03533005c4fed4d7c30b61b
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/sound/soc/sof/debug.c b/sound/soc/sof/debug.c
index 5529e8e..0872603 100644
--- a/sound/soc/sof/debug.c
+++ b/sound/soc/sof/debug.c
@@ -135,7 +135,7 @@
 	char *string;
 	int ret;
 
-	string = kzalloc(count, GFP_KERNEL);
+	string = kzalloc(count+1, GFP_KERNEL);
 	if (!string)
 		return -ENOMEM;