target: don't include "log.h" from "armv4_5.h"

No point in multiple includes, and that file doesn't
use its functions any more.

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

src/target/arm_simulator.c

@@ -29,6 +29,7 @@
 #include "arm_simulator.h"
 #include "binarybuffer.h"
 #include "register.h"
+#include "log.h"
 
 
 static uint32_t arm_shift(uint8_t shift, uint32_t Rm,