make it easy to customize logo image

quantum/visualizer/resources/lcd_logo.c

@@ -24,6 +24,7 @@
 // Update array in the source code with the C array produced by the conversion program
 
 // The image below is generated from lcd_logo.png
+__attribute__((weak))
 const uint8_t resource_lcd_logo[512] = {
     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,