nb/intel/ironlake: Use common {DMI,EP,MCH}BAR accessors

Tested with BUILD_TIMELESS=1, Packard Bell MS2290 remains identical.

Change-Id: I166dbebf0eaf9fe0454145d4d48a0622743916fd
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/49753
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
diff --git a/src/northbridge/intel/ironlake/Kconfig b/src/northbridge/intel/ironlake/Kconfig
index 701c1f9..0d58704 100644
--- a/src/northbridge/intel/ironlake/Kconfig
+++ b/src/northbridge/intel/ironlake/Kconfig
@@ -50,4 +50,13 @@
 config INTEL_GMA_BCLV_OFFSET
 	default 0x48254
 
+config FIXED_MCHBAR_MMIO_BASE
+	default 0xfed10000
+
+config FIXED_DMIBAR_MMIO_BASE
+	default 0xfed18000
+
+config FIXED_EPBAR_MMIO_BASE
+	default 0xfed19000
+
 endif