[U-Boot] [PATCH 20/26] binman: Check for files missing from test coverage

[sjg at google.com]

Files that are never imported are not shown in the test-coverage report.
Detect these and show an error.

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

 tools/binman/binman.py | 22 +++++++++++++++++++---
 1 file changed, 19 insertions(+), 3 deletions(-)

Applied to u-boot-dm thanks!