util/nvidia/cbootimage: Update to upstream master

This brings in 2 new commits from the upstream cbootimage
repository, merged to the upstream tree April 12, 2016 and
July 28, 2016

64045f9 bct_dump: don't crash on devices without RSA support
ea1e03d sign.sh: Add more features

Change-Id: I3b6c0c2c855044d7fce87eff9954bce5035ca966
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/18955
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
1 file changed