sb/intel/ibexpeak: Sever bd82x6x source dependency

It shares southbridge devicetree definition with bd82x6x, causing
changes made there to break builds for boards with this PCH. Give
ibexpeak its own copy.

TEST=abuild tested with lenovo/t410, lenovo/x201, packardbell/ms2290. Timeless binary did not change for all.

Change-Id: I08229ca658bd9c360b6be6137d882d319041b730
Signed-off-by: Keith Hui <buurin@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/81889
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/southbridge/intel/ibexpeak/chip.h b/src/southbridge/intel/ibexpeak/chip.h
index cf79703..aba27cc 100644
--- a/src/southbridge/intel/ibexpeak/chip.h
+++ b/src/southbridge/intel/ibexpeak/chip.h
@@ -3,8 +3,80 @@
 #ifndef SOUTHBRIDGE_INTEL_IBEXPEAK_CHIP_H
 #define SOUTHBRIDGE_INTEL_IBEXPEAK_CHIP_H
 
-#define southbridge_intel_bd82x6x_config southbridge_intel_ibexpeak_config
+#include <southbridge/intel/common/spi.h>
+#include <types.h>
+#include "pch.h"
 
-#include "../bd82x6x/chip.h"
+struct southbridge_intel_ibexpeak_config {
+	/**
+	 * GPI Routing configuration
+	 *
+	 * Only the lower two bits have a meaning:
+	 * 00: No effect
+	 * 01: SMI# (if corresponding ALT_GPI_SMI_EN bit is also set)
+	 * 10: SCI (if corresponding GPIO_EN bit is also set)
+	 * 11: reserved
+	 */
+	uint8_t gpi0_routing;
+	uint8_t gpi1_routing;
+	uint8_t gpi2_routing;
+	uint8_t gpi3_routing;
+	uint8_t gpi4_routing;
+	uint8_t gpi5_routing;
+	uint8_t gpi6_routing;
+	uint8_t gpi7_routing;
+	uint8_t gpi8_routing;
+	uint8_t gpi9_routing;
+	uint8_t gpi10_routing;
+	uint8_t gpi11_routing;
+	uint8_t gpi12_routing;
+	uint8_t gpi13_routing;
+	uint8_t gpi14_routing;
+	uint8_t gpi15_routing;
 
-#endif
+	uint32_t gpe0_en;
+	uint16_t alt_gp_smi_en;
+
+	/* IDE configuration */
+	uint8_t sata_port_map;
+	uint32_t sata_port0_gen3_tx;
+	uint32_t sata_port1_gen3_tx;
+
+	/**
+	 * SATA Interface Speed Support Configuration
+	 *
+	 * Only the lower two bits have a meaning:
+	 * 00 - No effect (leave as chip default)
+	 * 01 - 1.5 Gb/s maximum speed
+	 * 10 - 3.0 Gb/s maximum speed
+	 * 11 - 6.0 Gb/s maximum speed
+	 */
+	uint8_t sata_interface_speed_support;
+
+	uint32_t gen1_dec;
+	uint32_t gen2_dec;
+	uint32_t gen3_dec;
+	uint32_t gen4_dec;
+
+	/* Enable linear PCIe Root Port function numbers starting at zero */
+	bool pcie_port_coalesce;
+
+	/* Override PCIe ASPM */
+	uint8_t pcie_aspm[8];
+
+	int docking_supported;
+
+	bool pcie_hotplug_map[8];
+
+	/* These USB3 fields, copied from bd82x6x, don't apply here,
+	 * as Ibex Peak doesn't have USB3. */
+	uint32_t xhci_switchable_ports;
+	uint32_t superspeed_capable_ports;
+	uint32_t xhci_overcurrent_mapping;
+
+	uint32_t spi_uvscc;
+	uint32_t spi_lvscc;
+	struct intel_swseq_spi_config spi;
+};
+
+#endif				/* SOUTHBRIDGE_INTEL_IBEXPEAK_CHIP_H */
diff --git a/src/southbridge/intel/ibexpeak/pch.h b/src/southbridge/intel/ibexpeak/pch.h
index c447746..9724761 100644
--- a/src/southbridge/intel/ibexpeak/pch.h
+++ b/src/southbridge/intel/ibexpeak/pch.h
@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
-#ifndef SOUTHBRIDGE_INTEL_BD82X6X_PCH_H
-#define SOUTHBRIDGE_INTEL_BD82X6X_PCH_H
+#ifndef SOUTHBRIDGE_INTEL_IBEXPEAK_PCH_H
+#define SOUTHBRIDGE_INTEL_IBEXPEAK_PCH_H
 
 #include <acpi/acpi.h>
 #include <southbridge/intel/common/rcba.h> /* IWYU pragma: export */