Add a-ball handwired trackball based on ADSN9800 (#9015)

* Initial commit of kball

* Pretty much working

* Rename to aball

* Cleanup

* Fix typo and make instructions

* Refactor to use qmk spi

* Suggestions from ZVECR

* Update keyboards/handwired/aball/adns9800_srom_A6.h

* Update keyboards/handwired/aball/adns.c

* Update keyboards/handwired/aball/adns.c

* Update keyboards/handwired/aball/adns.c

* Added copyright and source attribution

* Update keyboards/handwired/aball/rules.mk

Include as quantum lib to help avoid timing issues with LTO

* Only send report on change, adj sensitivity, fix src include

* Fix issue causing constant reports and bad clamping

* Streamline conversion to int, add required wait before burst read

* Changes to track develop

* Update rules with new feature descriptors, add info.json

* Add stub layout

* Rework / cleanup key matrix.  Add missing CS pin define for new ADNS driver

* Add stub keymap to enable compile

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