dm: video: Output verbose information in vbe_setup_video()

With DM conversion, information like "Video: 1024x768x16" is not
shown anymore. Now add these verbose output back.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/pci/pci_rom.c b/drivers/pci/pci_rom.c
index 21ed17c..5746c3d 100644
--- a/drivers/pci/pci_rom.c
+++ b/drivers/pci/pci_rom.c
@@ -382,9 +382,13 @@
 	struct video_priv *uc_priv = dev_get_uclass_priv(dev);
 	int ret;
 
+	printf("Video: ");
+
 	/* If we are running from EFI or coreboot, this can't work */
-	if (!ll_boot_init())
+	if (!ll_boot_init()) {
+		printf("Not available (previous bootloader prevents it)\n");
 		return -EPERM;
+	}
 	bootstage_start(BOOTSTAGE_ID_ACCUM_LCD, "vesa display");
 	ret = dm_pci_run_vga_bios(dev, int15_handler, PCI_ROM_USE_NATIVE |
 					PCI_ROM_ALLOW_FALLBACK);
@@ -400,6 +404,9 @@
 		return ret;
 	}
 
+	printf("%dx%dx%d\n", uc_priv->xsize, uc_priv->ysize,
+	       mode_info.vesa.bits_per_pixel);
+
 	return 0;
 }
 #endif