Allow `ENABLED`, `DISABLED`, `PIN_EXISTS`, and `BUTTON_EXISTS` to take multiple arguments. Also add:
- Alias `ANY(...)` for `!DISABLED(...)`
- Alias `ANY_PIN(...)` for `PIN_EXISTS(a) || PIN_EXISTS(b) ...`
- Alias `EITHER(A,B)` for `ANY(...)`
- Alias `ALL(...)` and `BOTH(A,B)` for `ENABLED(...)`
- `NONE(...)` for `DISABLED(...)`

What should the SD detect and SDSS pins be? Followup soon on #8138

* Basic support for Azteeg_X5_GT

Signed-off-by: Alexey Shvetsov <alexxy@gentoo.org>

* Add fan pins for AZTEEG X5 GT

Signed-off-by: Alexey Shvetsov <alexxy@gentoo.org>

* Fix endstop pins

* Add servo0 pin