Remove unneeded #include statements completely

Unistd.h was only used to get a definition of NULL in all files. Add our
own NULL #define and remove unistd.h from flash.h
stdio.h has no place in flash.h, it should be included only in files
which really need it.
Add #include statements in individual .c files where needed.

Replace a few printf with msg_* to eliminate the need for stdio.h.

Corresponding to flashrom svn r1021.

Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>

1 files changed, 0 insertions, 1 deletions

diff --git a/sb600spi.c b/sb600spi.c
index 973d1ad..b44a585 100644
--- a/sb600spi.c
+++ b/sb600spi.c
@@ -23,7 +23,6 @@
 
 #if defined(__i386__) || defined(__x86_64__)
 
-#include <string.h>
 #include "flash.h"
 #include "chipdrivers.h"
 #include "spi.h"