Remove unnecessary use of hush header file

Some files include hush.h but don't actually use it. Remove this where
possible.

Signed-off-by: Simon Glass <sjg@chromium.org>

arch/arm/cpu/arm926ejs/kirkwood/cpu.c

@@ -13,7 +13,6 @@
 #include <asm/io.h>
 #include <asm/arch/cpu.h>
 #include <asm/arch/kirkwood.h>
-#include <hush.h>
 
 #define BUFLEN	16
 

arch/arm/cpu/arm926ejs/orion5x/cpu.c

@@ -15,7 +15,6 @@
 #include <asm/io.h>
 #include <u-boot/md5.h>
 #include <asm/arch/cpu.h>
-#include <hush.h>
 
 #define BUFLEN	16
 

board/ait/cam_enc_4xx/cam_enc_4xx.c

@@ -9,7 +9,6 @@
 
 #include <common.h>
 #include <errno.h>
-#include <hush.h>
 #include <linux/mtd/nand.h>
 #include <nand.h>
 #include <miiphy.h>

board/mcc200/auto_update.c

@@ -12,11 +12,6 @@
 #include <usb.h>
 #include <part.h>
 
-#ifdef CONFIG_SYS_HUSH_PARSER
-#include <hush.h>
-#endif
-
-
 #ifdef CONFIG_AUTO_UPDATE
 
 #ifndef CONFIG_USB_OHCI
@@ -247,7 +242,7 @@ int au_do_update(int idx, long sz)
 		/* parse_string_outer() runs off the end. */
 		addr[image_get_data_size (hdr)] = 0;
 		addr += 8;
-		parse_string_outer(addr, FLAG_PARSE_SEMICOLON);
+		run_command_list(addr, -1, 0);
 		return 0;
 	}
 

common/cmd_bootm.c

@@ -32,10 +32,6 @@
 #include <usb.h>
 #endif
 
-#ifdef CONFIG_SYS_HUSH_PARSER
-#include <hush.h>
-#endif
-
 #if defined(CONFIG_OF_LIBFDT)
 #include <libfdt.h>
 #include <fdt_support.h>

common/cmd_bootmenu.c

@@ -8,7 +8,6 @@
 #include <command.h>
 #include <ansi.h>
 #include <menu.h>
-#include <hush.h>
 #include <watchdog.h>
 #include <malloc.h>
 #include <linux/string.h>