treewide: Fix Marek's name and change my e-mail address

Fix diacritics in some instances of my name and change my e-mail address
to kabel@kernel.org.

Add corresponding .mailmap entries.

Signed-off-by: Marek BehĂșn <kabel@kernel.org>
Reviewed-by: Stefan Roese <sr@denx.de>
diff --git a/drivers/watchdog/orion_wdt.c b/drivers/watchdog/orion_wdt.c
index c30ed82..127766d 100644
--- a/drivers/watchdog/orion_wdt.c
+++ b/drivers/watchdog/orion_wdt.c
@@ -5,7 +5,7 @@
  *
  * Authors:	Tomas Hlavacek <tmshlvck@gmail.com>
  *		Sylver Bruneau <sylver.bruneau@googlemail.com>
- *		Marek Behun <marek.behun@nic.cz>
+ *		Marek Behún <kabel@kernel.org>
  *
  * This file is licensed under  the terms of the GNU General Public
  * License version 2. This program is licensed "as is" without any