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

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

Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: William Zhang <william.zhang@broadcom.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/drivers/spi/kirkwood_spi.c b/drivers/spi/kirkwood_spi.c
index 2bb7390..095cbea 100644
--- a/drivers/spi/kirkwood_spi.c
+++ b/drivers/spi/kirkwood_spi.c
@@ -7,7 +7,7 @@
  * Derived from drivers/spi/mpc8xxx_spi.c
  */
 
-#include <common.h>
+#include <config.h>
 #include <dm.h>
 #include <log.h>
 #include <malloc.h>