ddr: altera: Init the rule ID in debug code

Init the rule ID, otherwise the debug code will always dump the
protection settings entry 0.
Signed-off-by: NMarek Vasut <marex@denx.de>
Cc: Chin Liang See <clsee@altera.com>
Cc: Dinh Nguyen <dinguyen@opensource.altera.com>
Cc: Dinh Nguyen <dinh.linux@gmail.com>

drivers/ddr/altera/sdram.c

@@ -218,6 +218,7 @@ static void sdram_dump_protection_config(void)
 	      readl(&sdr_ctrl->protport_default));
 
 	for (rules = 0; rules < 20; rules++) {
+		rule.rule = rules;
 		sdram_get_rule(&rule);
 		debug("Rule %d, rules ...\n", rules);
 		debug("    sdram start %x\n", rule.sdram_start);