Implement optional looping for animated boot logo [#1839]

source/Core/Inc/Settings.h

@@ -92,6 +92,12 @@ typedef enum {
   AUTO  = 2, // Automatic screen orientation based on accel.data if presented
 } orientationMode_t;
 
+typedef enum {
+  SKIP     = 0, // Skip boot logo
+  ONETIME  = 5, // Show boot logo once (if animated) and stall until a button toggled
+  INFINITY = 6, // Show boot logo on repeat (if animated) until a button toggled
+} logoMode_t;
+
 // Settings wide operations
 void saveSettings();
 bool loadSettings();