nb/intel/e7505: Fix for RESOURCE_ALLOCATOR_V4

Memory region 0xa0000 to 0xc0000 was not reserved, the first
PCI memory resources might get assigned in this space.

FIXES: aopen/dxplplusu PCI EHCI 0:1d.7 memory resource.

Change-Id: Ia17025bde83b91d71ad719de6348197cf92e267e
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/52813
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
diff --git a/src/northbridge/intel/e7505/northbridge.c b/src/northbridge/intel/e7505/northbridge.c
index fc771b3..4908ecd 100644
--- a/src/northbridge/intel/e7505/northbridge.c
+++ b/src/northbridge/intel/e7505/northbridge.c
@@ -46,8 +46,8 @@
 
 	/* Report the memory regions */
 	idx = 10;
-	ram_resource(dev, idx++, 0, 640);
-	ram_resource(dev, idx++, 768, tolmk - 768);
+	ram_resource(dev, idx++, 0, tolmk);
+	mmio_resource(dev, idx++, 0xa0000 / KiB, (0xc0000 - 0xa0000) / KiB);
 
 	if (tomk > basek_4G)
 		ram_resource(dev, idx++, basek_4G, tomk - basek_4G);