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/ini.c b/cmd/ini.c
index 35de237..9639901 100644
--- a/cmd/ini.c
+++ b/cmd/ini.c
@@ -11,9 +11,9 @@
  * http://code.google.com/p/inih/
  */
 
-#include <common.h>
 #include <command.h>
 #include <env.h>
+#include <vsprintf.h>
 #include <linux/ctype.h>
 #include <linux/string.h>