slippy: Update SPD

Change-Id: Iae0258ceb0424df0937d2cec7dd885060f5b4e48
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/50082
Reviewed-on: http://review.coreboot.org/4157
Tested-by: build bot (Jenkins)
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
3 files changed