Added Balun Johanson 0896BM15A0001, same as 5400BL15B050 with differe…

[cnieves1]

…nt height.
This is a copy of Johanson_5400BL15B050, changing datasheet and 3D names.
Datasheet: https://www.johansontechnology.com/datasheets/0896BM15A0001/0896BM15A0001.pdf

0896BM15A0001 dimensions:

5400BL15B050 dimensions:
(From: https://www.johansontechnology.com/datasheets/5400BL15B050/5400BL15B050.pdf )

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All contributions to the kicad library must follow the KiCad library convention

Thanks for creating a pull request to contribute to the KiCad libraries! To speed up integration of your PR, please check the following items:

• Provide a URL to a datasheet for the footprint(s) you are contributing
• An example screenshot image is very helpful
• If there are matching symbol or 3D model pull requests, provide link(s) as appropriate
• Check the output of the Travis automated check scripts - fix any errors as required
• Give a reason behind any intentional library convention rule violation.

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Be patient, we maintainers are volunteers with limited time and need to check your contribution against the datasheet. You can speed up the process by providing all the necessary information (see above). And you can speed up the process even more by providing a dimensioned drawing of your contribution. A tutorial on how to do that is found here: https://forum.kicad.info/t/how-to-check-footprint-correctness/9279 (This is optional!)

[myfreescalewebpage]

@cnieves1 made the review, thanks to indicate it has the same dimensions of the other fp, this clearly speed up the review.
No comment to do, merging.