x86: Show an error if video fails

If video is enabled we expect it to work. Avoid silent failure by adding
a panic if things go wrong.

Expand the SPL malloc-area for qemu-x86_64 to avoid a panic.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/x86/lib/spl.c b/arch/x86/lib/spl.c
index f761fbc..aad7485 100644
--- a/arch/x86/lib/spl.c
+++ b/arch/x86/lib/spl.c
@@ -300,9 +300,14 @@
 
 	if (CONFIG_IS_ENABLED(VIDEO)) {
 		struct udevice *dev;
+		int ret;
 
 		/* Set up PCI video in SPL if required */
-		uclass_first_device_err(UCLASS_PCI, &dev);
-		uclass_first_device_err(UCLASS_VIDEO, &dev);
+		ret = uclass_first_device_err(UCLASS_PCI, &dev);
+		if (ret)
+			panic("Failed to set up PCI");
+		ret = uclass_first_device_err(UCLASS_VIDEO, &dev);
+		if (ret)
+			panic("Failed to set up video");
 	}
 }