tree 30fc94f988da32d0d81741b3b00b1170d10768b0
parent 29de4d318d422092821b5b5f7c026d91c88b0735
author David Brown <david.brown@linaro.org> 1548784785 -0700
committer David Brown <david.brown@linaro.org> 1551391863 -0700

imgtool: Make magic value a method

To allow this to be overridden in a subclass, use a method instead of a
value in the module.

Signed-off-by: David Brown <david.brown@linaro.org>