arm: Correct build with CONFIG_SYS_HUSH_PARSER set

FLAG_PARSE_SEMICOLON is not defined without hush.h, so include that.
Signed-off-by: NSimon Kagstrom <simon.kagstrom@netinsight.net>
Signed-off-by: NPrafulla Wadaskar <prafulla@marvell.com>

cpu/arm926ejs/kirkwood/cpu.c

@@ -27,6 +27,7 @@
 #include <asm/cache.h>
 #include <u-boot/md5.h>
 #include <asm/arch/kirkwood.h>
+#include <hush.h>
 
 #define BUFLEN	16