all: wrap vesa feature in ifdef

arch/amd64/kernel.c

@@ -192,12 +192,14 @@ void kernel_early_init(uint64_t entry_method) {
     }
     cpuid_init();
 
+#if defined(VESA_ENABLE)
     vesa_early_init(&boot_video_info);
     struct display *disp = vesa_get_display();
     if (disp) {
         kdebug("Initialize early console!\n");
         console_init_early(disp);
     }
+#endif
 
     // Reinitialize RS232 properly
     rs232_init(RS232_COM1);
@@ -221,7 +223,9 @@ void kernel_early_init(uint64_t entry_method) {
 
     amd64_mm_init();
 
+#if defined(VESA_ENABLE)
     vesa_add_display();
+#endif
 
     if (elf_sections.kind != KSYM_TABLE_NONE) {
         ksym_set(&elf_sections);