target: less implicit inclusion of "command.h"

Lots of files still include it, often through needless
duplicate inclusion of "log.h"; sigh.

This cleans up the inclusion graph a bunch, so there are
fewer inclusion paths, but it doesn't change much otherwise.

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

src/openocd.c

@@ -33,7 +33,6 @@
 #include "xsvf.h"
 #include "svf.h"
 #include "target.h"
-#include "flash.h"
 #include "nand.h"
 #include "pld.h"
 #include "mflash.h"