sandbox: hostfile: improve --image parameter to support "dev=file"
This patch makes it possible to specify the device name of a file added to the
sandbox via the --image paramter, e.g.:
barebox --image foo=bar.image
This means the file "bar.image" is added as "/dev/foo" to the sandbox.
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>