Update Linux to v5.10.109

Sourced from [1]

[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz

Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/arch/um/kernel/kmsg_dump.c b/arch/um/kernel/kmsg_dump.c
index 98bdf69..e4abac6 100644
--- a/arch/um/kernel/kmsg_dump.c
+++ b/arch/um/kernel/kmsg_dump.c
@@ -9,20 +9,19 @@
 				enum kmsg_dump_reason reason)
 {
 	static char line[1024];
-
+	struct console *con;
 	size_t len = 0;
-	bool con_available = false;
 
 	/* only dump kmsg when no console is available */
 	if (!console_trylock())
 		return;
 
-	if (console_drivers != NULL)
-		con_available = true;
+	for_each_console(con)
+		break;
 
 	console_unlock();
 
-	if (con_available == true)
+	if (con)
 		return;
 
 	printf("kmsg_dump:\n");