[ARM] 4459/1: Changing email in MAINTAINERS file

Updating email adress in MAINTAINER file.
Signed-off-by: NKristoffer Ericson <kristoffer.ericson@gmail.com>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

MAINTAINERS

@@ -457,7 +457,7 @@ S:	Maintained
 
 ARM/HP JORNADA 7XX MACHINE SUPPORT
 P:      Kristoffer Ericson
-M:      kristoffer_e1@hotmail.com
+M:      kristoffer.ericson@gmail.com
 W:      www.jlime.com
 S:      Maintained