rtc: 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/rtc/pt7c4338.c b/drivers/rtc/pt7c4338.c
index e0a7bd3..79df078 100644
--- a/drivers/rtc/pt7c4338.c
+++ b/drivers/rtc/pt7c4338.c
@@ -18,7 +18,7 @@
  * It has 56 bytes of nonvolatile RAM.
  */
 
-#include <common.h>
+#include <config.h>
 #include <command.h>
 #include <dm.h>
 #include <log.h>