clk: 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/clk/at91/compat.c b/drivers/clk/at91/compat.c
index ee67093..1d738f1 100644
--- a/drivers/clk/at91/compat.c
+++ b/drivers/clk/at91/compat.c
@@ -6,7 +6,7 @@
  *
  * Author: Claudiu Beznea <claudiu.beznea@microchip.com>
  */
-#include <common.h>
+#include <config.h>
 #include <clk-uclass.h>
 #include <dm.h>
 #include <asm/global_data.h>