#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/at91sam3.c

@@ -62,7 +62,6 @@
 #include <stddef.h>
 #include "types.h"
 #include "flash.h"
-#include "target.h"
 #include "membuf.h"
 #include "at91sam3.h"
 #include "time_support.h"

src/flash/lpc3180_nand_controller.h

@@ -20,8 +20,6 @@
 #ifndef LPC3180_NAND_CONTROLLER_H
 #define LPC3180_NAND_CONTROLLER_H
 
-#include "target.h"
-
 enum lpc3180_selected_controller
 {
 	LPC3180_NO_CONTROLLER,

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"

src/flash/mflash.h

@@ -20,7 +20,7 @@
 #ifndef _MFLASH_H
 #define _MFLASH_H
 
-#include "target.h"
+struct command_context;
 
 typedef unsigned long mg_io_uint32;
 typedef unsigned short mg_io_uint16;