x86: Remove support for Advantech SOM-6896

Now that we have generic coreboot payload support, remove the
dedicated support for Advantech SOM-6896.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>

arch/x86/dts/Makefile

@@ -18,7 +18,6 @@ dtb-y += bayleybay.dtb \
 	qemu-x86_i440fx.dtb \
 	qemu-x86_q35.dtb \
 	theadorable-x86-dfi-bt700.dtb \
-	broadwell_som-6896.dtb \
 	baytrail_som-db5800-som-6867.dtb
 
 targets += $(dtb-y)

arch/x86/dts/broadwell_som-6896.dts

@@ -1,52 +0,0 @@
-/dts-v1/;
-
-/include/ "skeleton.dtsi"
-/include/ "serial.dtsi"
-/include/ "reset.dtsi"
-/include/ "rtc.dtsi"
-/include/ "tsc_timer.dtsi"
-/include/ "coreboot_fb.dtsi"
-
-/ {
-	model = "Advantech SOM-6896";
-	compatible = "advantech,som-6896", "intel,broadwell";
-
-	aliases {
-		spi0 = &spi;
-	};
-
-	config {
-	       silent_console = <0>;
-	};
-
-	chosen {
-		stdout-path = "/serial";
-	};
-
-	pci {
-		compatible = "pci-x86";
-		#address-cells = <3>;
-		#size-cells = <2>;
-		u-boot,dm-pre-reloc;
-		ranges = <0x02000000 0x0 0xe0000000 0xe0000000 0 0x10000000
-			0x42000000 0x0 0xd0000000 0xd0000000 0 0x10000000
-			0x01000000 0x0 0x2000 0x2000 0 0xe000>;
-
-		pch@1f,0 {
-			reg = <0x0000f800 0 0 0 0>;
-			compatible = "intel,pch9";
-
-			spi: spi {
-				#address-cells = <1>;
-				#size-cells = <0>;
-				compatible = "intel,ich9-spi";
-				spi-flash@0 {
-					reg = <0>;
-					compatible = "winbond,w25q128", "spi-flash";
-					memory-map = <0xff000000 0x01000000>;
-				};
-			};
-		};
-	};
-
-};

include/configs/som-6896.h

@@ -1,26 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0+ */
-/*
- * Configuration settings for the SOM-6896
- *
- * Copyright (C) 2015 NovaTech LLC
- * George McCollister <george.mccollister@gmail.com>
- */
-
-#ifndef __CONFIG_H
-#define __CONFIG_H
-
-#include <configs/x86-common.h>
-
-#define CONFIG_SYS_MONITOR_LEN		(1 << 20)
-
-#define VIDEO_IO_OFFSET			0
-#define CONFIG_X86EMU_RAW_IO
-
-#define CONFIG_STD_DEVICES_SETTINGS	"stdin=serial,usbkbd\0" \
-					"stdout=serial,vidconsole\0" \
-					"stderr=serial,vidconsole\0"
-
-#define CONFIG_ENV_SECT_SIZE		0x1000
-#define CONFIG_ENV_OFFSET		0x00ff0000
-
-#endif	/* __CONFIG_H */