cmd: Remove <common.h> and add needed includes

Remove <common.h> from all "cmd/" files and when needed add
missing include files directly.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/cmd/binop.c b/cmd/binop.c
index 592e914..10d91b5 100644
--- a/cmd/binop.c
+++ b/cmd/binop.c
@@ -1,11 +1,11 @@
 // SPDX-License-Identifier: GPL-2.0+
 
-#include <common.h>
 #include <command.h>
 #include <env.h>
 #include <hexdump.h>
 #include <malloc.h>
 #include <mapmem.h>
+#include <vsprintf.h>
 #include <linux/ctype.h>
 
 enum {