reset: Drop the reset failure message

This adds to code size and is not needed, since hang() will print a message.

Signed-off-by: Simon Glass <sjg@chromium.org>

drivers/misc/sysreset-uclass.c

@@ -55,7 +55,7 @@ void sysreset_walk_halt(enum sysreset_t type)
 		mdelay(100);
 
 	/* Still no reset? Give up */
-	printf("System reset not supported on this platform\n");
+	debug("System reset not supported on this platform\n");
 	hang();
 }