chores(flysky): Separate AFHDS2A and AFHDS3 into 2 different module type (#3783)

* chores(flysky): separate AFHDS2A and AFHDS3 into 2 different module type

This should allow to remove some of the hacks added earlier.

* chore: Add some EL18 CI bits

* fix(afhds): cmake defs

* fix(ci): add el18 to commit-tests.sh

* chore(cpn): separate AFHDS2A and AFHDS3

* chore(cpn): remove binary import of afhds and legacy fxFreq field for afhds3

* fix(cpn): limit available internal afhds protocols to those supported by hardware

* chore(cpn): update Flysky int module test

* fix(cpn): compile error

* fix(cpn): afhds2a max channels

* fix: TR_MODULE_PROTOCOLS

* enh(cpn): more support for afhds2a and 3

* fix(cpn): rebase compile error

* fix(cpn): bit indexes

* fix(cpn): emi toString

* fix(cpn): limit available internal afhds protocols to those supported by hardware

* enh(cpn): add support for Flysky EL18

* fix(cpn): available protocols

* fix(cpn): rebase moduledata

* chore(cpn): add module fields to model print

* Separate AFHDS2A and AFHDS3 UI settings.

* Fix AFHDS3 conversion from old subtype value.
Fix 'Channel Range' layout on portrait LCD.

* Fix name.

---------

Co-authored-by: Peter Feerick <peter.feerick@gmail.com>
Co-authored-by: elecpower <neilh713@tpg.com.au>
Co-authored-by: Phil Mitchell <phil.a.mitchell@gmail.com>

tools/commit-tests.sh

@@ -145,6 +145,9 @@ do
         nv14)
             BUILD_OPTIONS+="-DPCB=NV14"
             ;;
+        el18)
+            BUILD_OPTIONS+="-DPCB=NV14 -DPCBREV=EL18"
+            ;;
         commando8)
             BUILD_OPTIONS+="-DPCB=X7 -DPCBREV=COMMANDO8"
             ;;