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/unzip.c b/cmd/unzip.c
index bc6cee0..e7a3f98 100644
--- a/cmd/unzip.c
+++ b/cmd/unzip.c
@@ -4,12 +4,12 @@
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  */
 
-#include <common.h>
 #include <command.h>
 #include <env.h>
 #include <gzip.h>
 #include <mapmem.h>
 #include <part.h>
+#include <vsprintf.h>
 
 static int do_unzip(struct cmd_tbl *cmdtp, int flag, int argc,
 		    char *const argv[])