Update Maintainer and Author's email address

I am not longer using my old email address
"ajay.bhargav@einfochips.com". For U-Boot development email address is
now updated to contact@8051projects.net

Signed-off-by: Ajay Bhargav <contact@8051projects.net>
diff --git a/drivers/gpio/mvgpio.h b/drivers/gpio/mvgpio.h
index 1de7395..1eb7acd 100644
--- a/drivers/gpio/mvgpio.h
+++ b/drivers/gpio/mvgpio.h
@@ -1,7 +1,7 @@
 /*
  * (C) Copyright 2011
  * eInfochips Ltd. <www.einfochips.com>
- * Written-by: Ajay Bhargav <ajay.bhargav@einfochips.com>
+ * Written-by: Ajay Bhargav <contact@8051projects.net>
  *
  * (C) Copyright 2010
  * Marvell Semiconductor <www.marvell.com>