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>

cmd/printf.c

@@ -84,12 +84,12 @@
  * We try to be compatible.
  */
 
-#include <common.h>
 #include <ctype.h>
 #include <errno.h>
 #include <stddef.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <vsprintf.h>
 
 #define WANT_HEX_ESCAPES 0
 #define PRINT_CONVERSION_ERROR 1