Align board project names with board ids (#399)

To avoid keeping track of a list that maps board project names to board ids.
Because of this change, we don't have to manually edit `boards.cmake` anymore when adding a new board.

.github/workflows/build-firmware.yml

@@ -39,7 +39,7 @@ jobs:
           { id: m5stack-stickc-plus, arch: esp32 },
           { id: m5stack-stickc-plus2, arch: esp32 },
           { id: unphone, arch: esp32s3 },
-          { id: waveshare-s3-touch-43, arch: esp32s3 },
+          { id: waveshare-s3-touch-lcd-43, arch: esp32s3 },
           { id: waveshare-s3-touch-lcd-147, arch: esp32s3 },
           { id: waveshare-s3-touch-lcd-128, arch: esp32s3 },
           { id: waveshare-s3-lcd-13, arch: esp32s3 }