[controlfb] Ifdef for when CONFIG_NVRAM isn't enabled.

Signed-off-by: Ben Collins <bcollins@ubuntu.com>

drivers/video/controlfb.c

@@ -415,13 +415,15 @@ static int __init init_control(struct fb_info_control *p)
 	full = p->total_vram == 0x400000;
 
 	/* Try to pick a video mode out of NVRAM if we have one. */
+#ifdef CONFIG_NVRAM
 	if (default_cmode == CMODE_NVRAM){
 		cmode = nvram_read_byte(NV_CMODE);
 		if(cmode < CMODE_8 || cmode > CMODE_32)
 			cmode = CMODE_8;
 	} else
+#endif
 		cmode=default_cmode;
-
+#ifdef CONFIG_NVRAM
 	if (default_vmode == VMODE_NVRAM) {
 		vmode = nvram_read_byte(NV_VMODE);
 		if (vmode < 1 || vmode > VMODE_MAX ||
@@ -432,7 +434,9 @@ static int __init init_control(struct fb_info_control *p)
 			if (control_mac_modes[vmode - 1].m[full] < cmode)
 				vmode = VMODE_640_480_60;
 		}
-	} else {
+	} else
+#endif
+	{
 		vmode=default_vmode;
 		if (control_mac_modes[vmode - 1].m[full] < cmode) {
 			if (cmode > CMODE_8)