Implement MALYAN_LCD

Marlin/src/lcd/ultralcd.cpp

@@ -1208,7 +1208,7 @@ void kill_screen(const char* lcd_msg) {
       return mesh_edit_value;
     }
 
-    void lcd_mesh_edit_setup(const float initial) {
+    void lcd_mesh_edit_setup(const float &initial) {
       mesh_edit_value = mesh_edit_accumulator = initial;
       lcd_goto_screen(_lcd_mesh_edit_NOP);
     }
@@ -1222,7 +1222,7 @@ void kill_screen(const char* lcd_msg) {
       return mesh_edit_value;
     }
 
-    void lcd_z_offset_edit_setup(float initial) {
+    void lcd_z_offset_edit_setup(const float &initial) {
       mesh_edit_value = mesh_edit_accumulator = initial;
       lcd_goto_screen(_lcd_z_offset_edit);
     }