Native config.d (#5165)

* Add support for loading yaml from a config directory

* Add waveshare hats to the new config.d approach

* Move to available.d for module inactive module configs

bin/config.d/display-waveshare-2.8.yaml

@@ -0,0 +1,18 @@
+Display:
+
+### Waveshare 2.8inch RPi LCD
+  Panel: ST7789
+  CS: 8
+  DC: 22        # Data/Command pin
+  Backlight: 18
+  Width: 240
+  Height: 320
+  Reset: 27
+  Rotate: true
+  Invert: true
+
+Touchscreen:
+### Note, at least for now, the touchscreen must have a CS pin defined, even if you let Linux manage the CS switching.
+  Module: XPT2046 # Waveshare 2.8inch
+  CS: 7
+  IRQ: 17

bin/config.d/lora-waveshare-sxxx.yaml

@@ -0,0 +1,8 @@
+Lora:
+  Module: sx1262  # Waveshare SX126X XXXM
+  DIO2_AS_RF_SWITCH: true
+  CS: 21
+  IRQ: 16
+  Busy: 20
+  Reset: 18
+  SX126X_ANT_SW: 6