The bareboxenv-target binary is automatically created but never
deleted nor is it excluded from git tracking. This patch remedies
the situation by adding scripts/bareboxenv-target to .gitignnore
and adjusting the list of to be deleted files of the 'clean' target
in the core Makefile.
Signed-off-by: Roberto Nibali <rnibali@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>