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>
diff --git a/drivers/fpga/virtex2.c b/drivers/fpga/virtex2.c
index 3ded27f..8e2c12b 100644
--- a/drivers/fpga/virtex2.c
+++ b/drivers/fpga/virtex2.c
@@ -14,7 +14,7 @@
 
 #define LOG_CATEGORY UCLASS_FPGA
 
-#include <common.h>
+#include <config.h>
 #include <console.h>
 #include <log.h>
 #include <virtex2.h>