#include "target.h" less wildly

Don't include "target.h" from more headers than necessary.  This
avoids needless interdependencies and duplicated include paths.

Don't needlessly include it in source files, either.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>

src/flash/mflash.c

@@ -22,6 +22,7 @@
 #endif
 
 #include "mflash.h"
+#include "target.h"
 #include "time_support.h"
 #include "fileio.h"
 #include "log.h"