cmd: booti: move CONFIG_CMD_BOOTI to Kconfig

This command is used to boot ARM64 Linux.

I made DISTRO_DEFAULTS select this option for ARM64 to respect
include/config_distro_defaults.h.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Tom Rini <trini@konsulko.com>

Kconfig

@@ -58,6 +58,7 @@ config DISTRO_DEFAULTS
 	default y if ARCH_SUNXI
 	default n
 	select CMD_BOOTZ
+	select CMD_BOOTI if ARM64
 	select CMD_DHCP
 	select CMD_EXT2
 	select CMD_EXT4

cmd/Kconfig

@@ -165,6 +165,13 @@ config CMD_BOOTZ
 	help
 	  Boot the Linux zImage
 
+config CMD_BOOTI
+	bool "booti"
+	depends on ARM64
+	default y
+	help
+	  Boot an AArch64 Linux Kernel image from memory.
+
 config CMD_BOOTEFI
 	bool "bootefi"
 	depends on EFI_LOADER

include/config_distro_defaults.h

@@ -20,9 +20,6 @@
 #define CONFIG_BOOTP_PXE
 #define CONFIG_BOOTP_SUBNETMASK
 
-#ifdef CONFIG_ARM64
-#define CONFIG_CMD_BOOTI
-#endif
 #define CONFIG_CMD_PXE
 
 #define CONFIG_CMDLINE_EDITING

include/configs/uniphier.h

@@ -189,7 +189,6 @@
 	"__nfsboot=run tftpboot\0"
 #else
 #ifdef CONFIG_ARM64
-#define CONFIG_CMD_BOOTI
 #define CONFIG_BOOTFILE			"Image"
 #define LINUXBOOT_CMD			"booti"
 #define KERNEL_ADDR_R			"kernel_addr_r=0x80080000\0"

include/configs/vexpress_aemv8a.h

@@ -133,7 +133,6 @@
 /* Command line configuration */
 #define CONFIG_MENU
 /*#define CONFIG_MENU_SHOW*/
-#define CONFIG_CMD_BOOTI
 #define CONFIG_CMD_UNZIP
 #define CONFIG_CMD_PXE
 #define CONFIG_CMD_ENV

include/configs/xilinx_zynqmp.h

@@ -205,7 +205,6 @@
 
 #define CONFIG_SYS_BOOTM_LEN	(60 * 1024 * 1024)
 
-#define CONFIG_CMD_BOOTI
 #define CONFIG_CMD_UNZIP
 
 #define CONFIG_BOARD_EARLY_INIT_R