open-plc-utils: new package
[Thomas:
- rename to open-plc-utils to match upstream name.
- fix Config.in to use tabs instead of spaces
- remove 'default n' line
- add dependency on BR2_USE_MMU
- bump to a more recent upstream commit
- remove no longer needed openplc-0002-Remove-vfprintf-call.patch
- rename patch to the proper naming convention
- specify <pkg>_LICENSE_FILES
- pass CROSS= instead of CC=
- do not pass CC= at install time.]
Signed-off-by: Maxime Hadjinlian <maxime.hadjinlian@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>