change #include "arm966e.h" to <target/arm966e.h>

Changes from the flat namespace to heirarchical one.  Instead of writing:

	#include "arm966e.h"

the following form should be used.

	#include <target/arm966e.h>

The exception is from .c files in the same directory.

src/flash/nor/str9x.c

@@ -28,7 +28,7 @@
 #endif
 
 #include "str9x.h"
-#include "arm966e.h"
+#include <target/arm966e.h>
 #include <target/algorithm.h>