AP_OSD: re-enable OSD parameters on 1Mb boards since it wasn't doing anything

Make sure OSD parameters can be disabled in hwdef.dat

libraries/AP_OSD/AP_OSD.cpp

@@ -273,7 +273,11 @@ void AP_OSD::update_osd()
         // skip the drawing if we are not using a font based backend. This saves a lot of flash space when
         // using the MSP OSD system on boards that don't have a MAX7456
 #if HAL_WITH_OSD_BITMAP
+#if OSD_PARAM_ENABLED
         get_screen(current_screen).draw();
+#else
+        ((AP_OSD_Screen&)get_screen(current_screen)).draw();
+#endif
 #endif
     }
 

libraries/AP_OSD/AP_OSD.h

@@ -33,7 +33,7 @@
 #endif
 
 #ifndef OSD_PARAM_ENABLED
-#define OSD_PARAM_ENABLED HAL_WITH_OSD_BITMAP && !HAL_MINIMIZE_FEATURES && BOARD_FLASH_SIZE > 1024
+#define OSD_PARAM_ENABLED HAL_WITH_OSD_BITMAP && !HAL_MINIMIZE_FEATURES
 #endif
 
 class AP_OSD_Backend;