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/sparc/kernel/central.c b/arch/sparc/kernel/central.c
index bfae98a..23f8838 100644
--- a/arch/sparc/kernel/central.c
+++ b/arch/sparc/kernel/central.c
@@ -55,7 +55,7 @@
 			else
 				return 5;
 		}
-		/* Fallthrough */
+		fallthrough;
 	default:
 		return 4;
 	}