pch: 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>

drivers/pch/pch-uclass.c

@@ -6,7 +6,6 @@
 
 #define LOG_CATEGORY UCLASS_PCH
 
-#include <common.h>
 #include <dm.h>
 #include <pch.h>
 

drivers/pch/pch7.c

@@ -3,7 +3,6 @@
  * Copyright (C) 2014 Google, Inc
  */
 
-#include <common.h>
 #include <dm.h>
 #include <log.h>
 #include <pch.h>

drivers/pch/pch9.c

@@ -5,7 +5,6 @@
 
 #define LOG_CATEGORY	UCLASS_PCH
 
-#include <common.h>
 #include <dm.h>
 #include <log.h>
 #include <pch.h>

drivers/pch/sandbox_pch.c

@@ -3,7 +3,6 @@
  * Copyright 2018 Google LLC
  */
 
-#include <common.h>
 #include <dm.h>
 #include <pch.h>