sandbox: Add "host size" hostfs command for fs test

This complements the size/fatsize/ext4size commands added in
commit cf6598193aed5de8855eaf70c1994f2bc437255a
load, save and ls are already implemented for hostfs, now tests can
cover the same operations on hostfs and emulated block devices.

Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de>
Acked-by: Simon Glass <sjg@chromium.org>
1 file changed