timer: 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/timer/orion-timer.c b/drivers/timer/orion-timer.c
index 9cab27f..821b681 100644
--- a/drivers/timer/orion-timer.c
+++ b/drivers/timer/orion-timer.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0+
 #include <asm/io.h>
-#include <common.h>
+#include <config.h>
 #include <div64.h>
 #include <dm/device.h>
 #include <dm/fdtaddr.h>