[PATCH 2/4] binman: Correct some import statements

[Simon Glass]

Some of these were not converted when binman moved to use absolute paths.
Fix them.

Also drop the import of 'test' which is a directory, not a module.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

 tools/binman/control.py    | 4 ++--
 tools/binman/ftest.py      | 2 +-
 tools/binman/image_test.py | 2 +-
 tools/binman/main.py       | 1 -
 4 files changed, 4 insertions(+), 5 deletions(-)

Applied to u-boot-dm, thanks!