resign_firmwarefd: replace mosys by "dump_fmap -p"

Parsing fmap information becomes easier after dump_fmap adds "-p" mode, and
prevents the dependency because dump_fmap is in same repo with signing scripts.

BUG=none, pure refine to reduce dependency and less error messages
TEST=./resign_firmwarefd.sh mario_bios.bin output.bin \
     devkeys/firmware_data_key.vbprivk devkeys/firmware.keyblock \
     devkeys/firmware_data_key.vbprivk devkeys/firmware.keyblock \
     devkeys/kernel_subkey.vbpubk
     # Also verified with modern firmware like ZGB/Alex and ARM.

Change-Id: Ia40ecd9ab641250272952e20ab058e780eb7770b
Reviewed-on: http://gerrit.chromium.org/gerrit/5132
Tested-by: Hung-Te Lin <hungte@chromium.org>
Reviewed-by: Gaurav Shah <gauravsh@chromium.org>
1 file changed