Let's make sure when each test is run that the flash object is in an
initial state and did not keep configuration from the previous tests.
Signed-off-by: NCédric Le Goater <clg@kaod.org>
Message-id: 1483979087-32663-9-git-send-email-clg@kaod.org
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>