ich_descriptors: Draw +0xfff into ICH_FREG_LIMIT()

The condition `base > limit` is still valid since `base` is always at
least 4096 greater than `limit` in this case.

Change-Id: I11ac0a50b3f32f47879e7cfb7a26068cd0572ede
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: https://review.coreboot.org/19046
Reviewed-by: David Hendricks <david.hendricks@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/ich_descriptors.c b/ich_descriptors.c
index 1fc8835..3e53ec9 100644
--- a/ich_descriptors.c
+++ b/ich_descriptors.c
@@ -246,7 +246,7 @@
 	if (base > limit)
 		msg_pdbg2("is unused.\n");
 	else
-		msg_pdbg2("0x%08x - 0x%08x\n", base, limit | 0x0fff);
+		msg_pdbg2("0x%08x - 0x%08x\n", base, limit);
 }
 
 void prettyprint_ich_descriptor_region(const struct ich_descriptors *desc)
@@ -952,7 +952,7 @@
 	size_t i, j;
 	for (i = 0, j = 0; i < min(desc.content.NR + 1, ARRAY_SIZE(regions)); ++i) {
 		const chipoff_t base = ICH_FREG_BASE(desc.region.FLREGs[i]);
-		const chipoff_t limit = ICH_FREG_LIMIT(desc.region.FLREGs[i]) + 0xfff;
+		const chipoff_t limit = ICH_FREG_LIMIT(desc.region.FLREGs[i]);
 		if (limit <= base)
 			continue;
 		layout->entries[j].start = base;