nb/intel/haswell: Move register headers into a subfolder

Move all files with register definitions into a `registers` subfolder.
Subsequent commits will move the remaining registers into this folder.

Tested with BUILD_TIMELESS=1, Asrock B85M Pro4 remains identical.

Change-Id: I143b3c829be44a39e14902255cd4bb13bf02f0c1
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/45354
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/northbridge/intel/haswell/haswell.h

@@ -18,7 +18,7 @@
 /* Device 0:0.0 PCI configuration space (Host Bridge) */
 #define HOST_BRIDGE	PCI_DEV(0, 0, 0)
 
-#include "hostbridge_regs.h"
+#include "registers/host_bridge.h"
 
 
 /* Device 0:2.0 PCI configuration space (Graphics Device) */
@@ -43,7 +43,7 @@
 #define MCHBAR32_AND_OR(x, and, or) (MCHBAR32(x) = (MCHBAR32(x) & (and)) | (or))
 
 /* As there are many registers, define them on a separate file */
-#include "mchbar_regs.h"
+#include "registers/mchbar.h"
 
 #define ARCHDIS		0xff0	/* DMA Remap Engine Policy Control */
 #define  DMAR_LCKDN	(1 << 31)

src/northbridge/intel/haswell/registers/host_bridge.h

@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
-#ifndef __HASWELL_HOSTBRIDGE_REGS_H__
-#define __HASWELL_HOSTBRIDGE_REGS_H__
+#ifndef __HASWELL_REGISTERS_HOST_BRIDGE_H__
+#define __HASWELL_REGISTERS_HOST_BRIDGE_H__
 
 #define EPBAR		0x40
 #define MCHBAR		0x48
@@ -68,4 +68,4 @@
 
 #define CAPID0_B	0xe8
 
-#endif /* __HASWELL_HOSTBRIDGE_REGS_H__ */
+#endif /* __HASWELL_REGISTERS_HOST_BRIDGE_H__ */

src/northbridge/intel/haswell/registers/mchbar.h

@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
-#ifndef __HASWELL_MCHBAR_REGS_H__
-#define __HASWELL_MCHBAR_REGS_H__
+#ifndef __HASWELL_REGISTERS_MCHBAR_H__
+#define __HASWELL_REGISTERS_MCHBAR_H__
 
 /* Register definitions */
 #define MAD_CHNL		0x5000 /* Address Decoder Channel Configuration */
@@ -44,4 +44,4 @@
 #define DMIVCLIM		0x7000
 #define CRDTLCK			0x77fc
 
-#endif /* __HASWELL_MCHBAR_REGS_H__ */
+#endif /* __HASWELL_REGISTERS_MCHBAR_H__ */