uboot-phytec

Use watchdog-aware functions when calculating hashes of images - take two

Some files didn't get updated properly with the "Use watchdog-aware
functions when calculating hashes of images" commit, this commit
fixes this.

Signed-off-by: Bartlomiej Sieka <tur@semihalf.com>
Signed-off-by: Wolfgang Denk <wd@denx.de>