soc/intel/xeon_sp: use VGA_MMIO_* defines from arch/vga.h

Now that we have x86 architecture specific VGA_MMIO_* defines in
arch/vga.h, use those instead of having SoC-specific defines for this.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I77b914d563bdc83e7fad7d7fccd5cf7777cb4918
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75669
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martin.roth@amd.corp-partner.google.com>
diff --git a/src/soc/intel/xeon_sp/uncore.c b/src/soc/intel/xeon_sp/uncore.c
index 3744359..66f63d5 100644
--- a/src/soc/intel/xeon_sp/uncore.c
+++ b/src/soc/intel/xeon_sp/uncore.c
@@ -1,5 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 
+#include <arch/vga.h>
 #include <cbmem.h>
 #include <console/console.h>
 #include <cpu/x86/lapic_def.h>
@@ -306,7 +307,7 @@
 	 * 0xa0000 - 0xbffff: legacy VGA
 	 * 0xc0000 - 0xfffff: RAM
 	 */
-	res = mmio_range(dev, index++, VGA_BASE_ADDRESS, VGA_BASE_SIZE);
+	res = mmio_range(dev, index++, VGA_MMIO_BASE, VGA_MMIO_SIZE);
 	LOG_RESOURCE("legacy_mmio", dev, res);
 
 	res = reserved_ram_from_to(dev, index++, 0xc0000, 1 * MiB);