Analogizer adapter supporte added

[RndMnkIII]

What does this do / why do we need it?

Added Analogizer adapter support including PS/2 keyboard + NES/SNES/DB15 SNAC game controllers.
Dont need Pocket menu options to configure, rely exclusively on /Assets/analogizer/common/analogizer.bin
configuration file (can be create using Analogizer Configurator >= 0.7 or with Pupdate >= 5.6.0

Fixes # (issue)

Type of change

• New feature (non-breaking change which adds functionality)
• This change requires a documentation update

What should a reviewer look out for in this PR?

The supported Analogizer supported options were tested with the real hardware.

Additional Comments (if any)

the changes are:

• core_top.sv modification (sections using USE_ANALOGIZER parameter with generate)
• core.json -> platform_ids "analogizer", "cartridge_adapter": 0
• data.json -> data_slot analogizer.bin
• the Analogizer framework including external contributed code: ps2_keyboard.vhd, debounce.vhd
• Core specific support file: ps2_to_key.sv