Add a warn message to inform the user that something is wrong with the flash settings or command parameters. Change-Id: Ia55868b2abf2a17845e51620b0f29b2809d841c2 Signed-off-by: Mathias K <kesmtp@freenet.de> Reviewed-on: http://openocd.zylin.com/280 Tested-by: jenkins Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>tags/v0.6.0-rc1