Change e-mail address of Kamil Lulko

Signed-off-by: Kamil Lulko <kamil.lulko@gmail.com>
diff --git a/arch/arm/cpu/armv7m/start.S b/arch/arm/cpu/armv7m/start.S
index e05e984..49f2720 100644
--- a/arch/arm/cpu/armv7m/start.S
+++ b/arch/arm/cpu/armv7m/start.S
@@ -1,6 +1,6 @@
 /*
  * (C) Copyright 2015
- * Kamil Lulko, <rev13@wp.pl>
+ * Kamil Lulko, <kamil.lulko@gmail.com>
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */