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WIP: tabular format for report descriptors

Peter Hutterer requested to merge whot/hid-tools:wip/decode-human-friendly into master

Example output for hid-decode -t

        Report ID 1 (Input), size 32 bytes:

            Usage Page   |     Usage     | Logical Range  |      Size     |       Unit       |
        -----------------|---------------|----------------|---------------|------------------|
         Digitizers      | Tip Switch    |      0,      1 |   1 bits      | (SILinear: cm)⁻² |
         Digitizers      | Undefined     |      0,      1 |   7 bits      | (SILinear: cm)⁻² |
         Digitizers      | Contact Id    |      0,      1 |   8 bits      | (SILinear: cm)⁻² |
         Generic Desktop | X             |      0,   5120 |  16 bits      | (SILinear: cm)⁻² |
         Generic Desktop | Y             |      0,   3200 |  16 bits      | (SILinear: cm)⁻² |
         Digitizers      | Tip Switch    |      0,      1 |   1 bits      | (SILinear: cm)⁻² |
         Digitizers      | Undefined     |      0,      1 |   7 bits      | (SILinear: cm)⁻² |
         Digitizers      | Contact Id    |      0,      1 |   8 bits      | (SILinear: cm)⁻² |
         ...

        Report ID 8 (Input), size 13 bytes:

            Usage Page   |     Usage     | Logical Range  |      Size     |           Unit           |
        -----------------|---------------|----------------|---------------|--------------------------|
         Digitizers      | Tip Switch    |      0,      1 |   1 bits      | (SILinear: cm)⁻²         |
         Digitizers      | Barrel Switch |      0,      1 |   1 bits      | (SILinear: cm)⁻²         |
         Digitizers      | Invert        |      0,      1 |   1 bits      | (SILinear: cm)⁻²         |
         Digitizers      | Eraser        |      0,      1 |   1 bits      | (SILinear: cm)⁻²         |
         Digitizers      | Undefined     |      0,      1 |   1 bits      | (SILinear: cm)⁻²         |
         Digitizers      | In Range      |      0,      1 |   1 bits      | (SILinear: cm)⁻²         |
         Digitizers      | Undefined     |      0,      1 |   2 bits      | (SILinear: cm)⁻²         |
         Digitizers      | Contact Id    |      0,      1 |   8 bits      | (SILinear: cm)⁻²         |

Sits on top of !97 (merged) and !110 (merged) atm, so a bit of rework is needed.

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