Seems like an esthetic change, but it will allow easy support for
other lpc17xx devices.
Change-Id: I2cb953ce1afdd82f6ca65b38d5557a28416f895e
Signed-off-by: Vandra Akos <axos88@gmail.com>
Reviewed-on: http://openocd.zylin.com/674
Tested-by: jenkins
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>