ECLAIR: Cleans mcuboot repo between builds

Cleans the mcuboot repo between builds, this is to remove the applied
patches which attempt to be applied a second time if no reset and
returns failure.

Change-Id: I003d1a579b483faa6dfc42475394714224b8d38b
Signed-off-by: Matthew Dalzell <matthew.dalzell@arm.com>
1 file changed