haswell boards: Drop unused romstage.c includes

Several of these includes are no longer necessary. Get rid of them.
Since "raminit.h" already includes "pei_data.h", we can omit including
the latter for brevity's sake.

Change-Id: Ia7e9dadf87114ca9ea4761b89909ea035cdfc38a
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43121
Reviewed-by: Tristan Corrick <tristan@corrick.kiwi>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/asrock/b85m_pro4/romstage.c

@@ -1,12 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
-#include <stdint.h>
-#include <cpu/intel/haswell/haswell.h>
-#include <device/pnp_ops.h>
 #include <northbridge/intel/haswell/haswell.h>
-#include <northbridge/intel/haswell/pei_data.h>
 #include <northbridge/intel/haswell/raminit.h>
-#include <southbridge/intel/common/gpio.h>
 #include <southbridge/intel/lynxpoint/pch.h>
 
 void mainboard_config_rcba(void)

src/mainboard/asrock/h81m-hds/romstage.c

@@ -1,12 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
-#include <stdint.h>
-#include <cpu/intel/haswell/haswell.h>
-#include <device/pnp_ops.h>
 #include <northbridge/intel/haswell/haswell.h>
-#include <northbridge/intel/haswell/pei_data.h>
 #include <northbridge/intel/haswell/raminit.h>
-#include <southbridge/intel/common/gpio.h>
 #include <southbridge/intel/lynxpoint/pch.h>
 
 void mainboard_config_rcba(void)

src/mainboard/google/beltino/romstage.c

@@ -1,10 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
-#include <stdint.h>
-#include <cpu/intel/haswell/haswell.h>
 #include <northbridge/intel/haswell/haswell.h>
 #include <northbridge/intel/haswell/raminit.h>
-#include <southbridge/intel/lynxpoint/lp_gpio.h>
 #include <southbridge/intel/lynxpoint/pch.h>
 
 void mainboard_config_rcba(void)

src/mainboard/google/slippy/romstage.c

@@ -1,10 +1,8 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
-#include <cpu/intel/haswell/haswell.h>
 #include <northbridge/intel/haswell/haswell.h>
 #include <northbridge/intel/haswell/raminit.h>
 #include <southbridge/intel/lynxpoint/pch.h>
-#include <southbridge/intel/lynxpoint/lp_gpio.h>
 #include "variant.h"
 
 void mainboard_config_rcba(void)

src/mainboard/intel/baskingridge/romstage.c

@@ -1,12 +1,8 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
-#include <stdint.h>
-#include <stddef.h>
-#include <cpu/intel/haswell/haswell.h>
 #include <northbridge/intel/haswell/haswell.h>
 #include <northbridge/intel/haswell/raminit.h>
 #include <southbridge/intel/lynxpoint/pch.h>
-#include <southbridge/intel/common/gpio.h>
 
 void mainboard_config_rcba(void)
 {

src/mainboard/lenovo/t440p/romstage.c

@@ -1,11 +1,8 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
 #include <stdint.h>
-#include <cpu/intel/haswell/haswell.h>
 #include <northbridge/intel/haswell/haswell.h>
-#include <northbridge/intel/haswell/pei_data.h>
 #include <northbridge/intel/haswell/raminit.h>
-#include <southbridge/intel/common/gpio.h>
 #include <southbridge/intel/lynxpoint/pch.h>
 #include <option.h>
 #include <ec/lenovo/pmh7/pmh7.h>

src/mainboard/supermicro/x10slm-f/romstage.c

@@ -1,12 +1,8 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
-#include <cpu/intel/haswell/haswell.h>
 #include <northbridge/intel/haswell/haswell.h>
-#include <northbridge/intel/haswell/pei_data.h>
 #include <northbridge/intel/haswell/raminit.h>
-#include <southbridge/intel/common/gpio.h>
 #include <southbridge/intel/lynxpoint/pch.h>
-#include <stdint.h>
 
 void mainboard_config_rcba(void)
 {