config: add config_distro_defaults.h

describe a set of default features that distros can rely on being available.
having this common definition means that distros can easily support systems
implementing them.

Signed-off-by: Dennis Gilmore <dennis@ausil.us>

include/config_distro_defaults.h

+/*
+ * Copyright 2013-2014 Red Hat, Inc.
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#ifndef _CONFIG_CMD_DISTRO_DEFAULTS_H
+#define _CONFIG_CMD_DISTRO_DEFAULTS_H
+
+/*
+ * List of all commands and options that when defined enables support for features
+ * required by distros to support boards in a standardised and consitant manner.
+ */
+
+#define CONFIG_BOOTP_BOOTPATH
+#define CONFIG_BOOTP_DNS
+#define CONFIG_BOOTP_GATEWAY
+#define CONFIG_BOOTP_HOSTNAME
+#define CONFIG_BOOTP_PXE
+#define CONFIG_BOOTP_SUBNETMASK
+
+#if defined(__arm__)
+#define CONFIG_BOOTP_PXE_CLIENTARCH     0x100
+#if defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__)
+#define CONFIG_BOOTP_VCI_STRING         "U-boot.armv7"
+#else
+#define CONFIG_BOOTP_VCI_STRING         "U-boot.arm"
+#endif
+#endif
+
+#define CONFIG_OF_LIBFDT
+
+#define CONFIG_CMD_BOOTZ
+#define CONFIG_CMD_DHCP
+#define CONFIG_CMD_ELF
+#define CONFIG_CMD_EXT2
+#define CONFIG_CMD_EXT4
+#define CONFIG_CMD_FAT
+#define CONFIG_CMD_FS_GENERIC
+#define CONFIG_CMD_MII
+#define CONFIG_CMD_NET
+#define CONFIG_CMD_PING
+#define CONFIG_CMD_PXE
+
+#define CONFIG_CMDLINE_EDITING
+#define CONFIG_AUTO_COMPLETE
+#define CONFIG_BOOTDELAY     2
+#define CONFIG_SYS_LONGHELP
+#define CONFIG_MENU
+#define CONFIG_DOS_PARTITION
+#define CONFIG_EFI_PARTITION
+#define CONFIG_SUPPORT_RAW_INITRD
+#define CONFIG_SYS_HUSH_PARSER
+
+#endif	/* _CONFIG_CMD_DISTRO_DEFAULTS_H */