[stage2] Add console_get_framebuffer

fusee/fusee-secondary/src/console.h

@@ -2,6 +2,7 @@
 #define FUSEE_CONSOLE_H
 
 int console_init(void);
+void *console_get_framebuffer(bool enable_display);
 int console_display(const void *framebuffer); /* Must be page-aligned */
 int console_resume(void);
 int console_end(void);