New driver for FTC532 8-button touch controller (rule use)

[vic42]

Description:

New driver for FTC532 8-button touch controller (rule use)
Compiles and should work on ESP32 but commercial hardware includes ESP8266 only
Related issue (if applicable): fixes #
fixes #10185

Checklist:

• The pull request is done against the latest dev branch
• Only relevant files were touched
• Only one feature/fix was added per PR and the code change compiles without warnings
• The code change is tested and works on Tasmota core ESP8266 V.2.7.4.9
• The code change is tested and works on Tasmota core ESP32 V.1.0.5-rc4
• I accept the CLA.

NOTE: The code change must pass CI tests. Your PR cannot be merged unless tests pass

[arendst]

I'll do some refactoring and functionality chks now.

Did you test this driver with real hardware?

[vic42]

ftc532.mp4

Plus one more beta tester with several devices remotely.

[snookyly]

Works like a charm. Successfully tested with wall mounted device.

[arendst]

Thx. Merged. Pls give it a try.

[vic42]

I built a bin from dev tree and for me it seems to work as expected.