Hide hwaccess.h from public API

Move hwaccess.h #include from flash.h to individual drivers.
libflashrom users need flash.h, but they do not care about hwaccess.h
and should not see its definitions because they may conflict with
other hardware access functions and #defines used by the libflashrom

Corresponding to flashrom svn r1549.

Signed-off-by: Patrick Georgi <patrick.georgi@secunet.com>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
diff --git a/it85spi.c b/it85spi.c
index a5d5c2e..0b074eb 100644
--- a/it85spi.c
+++ b/it85spi.c
@@ -32,6 +32,7 @@
 #include "flash.h"
 #include "spi.h"
 #include "programmer.h"
+#include "hwaccess.h"
 #define MAX_TIMEOUT 100000
 #define MAX_TRY 5