fix(ci): missing v12 and gx15 simulator targets (#7693)

Co-authored-by: Peter Feerick <5500713+pfeerick@users.noreply.github.com>
Co-authored-by: Claude Opus 5 <noreply@anthropic.com>

web/scripts/gen-radios-json.js

@@ -123,9 +123,9 @@ function processFlavour(flavour) {
   // Display / LCD info
   const disp = hw.display ?? {};
   const display = {
-    w: disp.w ?? 480,
-    h: disp.h ?? 272,
-    depth: disp.depth ?? 16,
+    w: disp.lcd_w ?? 480,
+    h: disp.lcd_h ?? 272,
+    depth: disp.lcd_depth ?? 16,
   };
 
   // WASM filename uses the flavour name directly