cmd: mtd: fix compiler error

Change-Id: Idc4bcd902c02b5dbd6f5aac631f3977f257f606f
Signed-off-by: Jon Lin <jon.lin@rock-chips.com>

cmd/mtd.c

@@ -8,10 +8,8 @@
  * Author: Miquèl Raynal <miquel.raynal@bootlin.com>
  */
 
-#include <command.h>
 #include <common.h>
-#include <console.h>
-#include <malloc.h>
+#include <command.h>
 #include <mapmem.h>
 #include <mtd.h>
 
@@ -444,8 +442,9 @@ static int do_mtd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 	return CMD_RET_SUCCESS;
 }
 
-static char mtd_help_text[] =
-#ifdef CONFIG_SYS_LONGHELP
+U_BOOT_CMD(
+	mtd, 10, 1, do_mtd,
+	"MTD utils",
 	"- generic operations on memory technology devices\n\n"
 	"mtd list\n"
 	"mtd read[.raw][.oob]                  <name> <addr> [<off> [<size>]]\n"
@@ -467,7 +466,5 @@ static char mtd_help_text[] =
 	"\t\t* must be a multiple of a page otherwise (special case: default is a page with dump)\n"
 	"\n"
 	"The .dontskipff option forces writing empty pages, don't use it if unsure.\n"
-#endif
-	"";
+);
 
-U_BOOT_CMD(mtd, 10, 1, do_mtd, "MTD utils", mtd_help_text);