prd-flash: fix bug HPBLOB-1023
prd-flash: fix bug HPBLOB-1023

Fix parameters for flashing to HP1 nand volumes to avoid broken updates

Signed-off-by: Jens Rehsack <69d49c504a9219a55b8be0f905e8fe3c32ffb57f@netbsd.org>

rdm-dev/meta-jens,tobw/meta-jens,rdm-dev/meta-jens,rdm-dev/meta-jens,tobw/meta-jens,rdm-dev/meta-jens,tobw/meta-jens,tobw/meta-jens