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

Remove <common.h> from this driver directory and when needed
add missing include files directly.

Signed-off-by: Tom Rini <trini@konsulko.com>

drivers/fpga/lattice.c

@@ -10,7 +10,6 @@
  * Copyright 2009 Lattice Semiconductor Corp.
  */
 
-#include <common.h>
 #include <log.h>
 #include <malloc.h>
 #include <fpga.h>