Revert "memory: of: parse max-freq property"

This reverts commit 4e890b2.

Author: digetx

drivers/memory/of_memory.c

@@ -212,10 +212,8 @@ static int of_lpddr3_do_get_timings(struct device_node *np,
 {
 	int ret;
 
-	ret = of_property_read_u32(np, "max-freq", &tim->max_freq);
-	if (ret)
-		/* Deprecated way of passing max-freq as 'reg' */
-		ret = of_property_read_u32(np, "reg", &tim->max_freq);
+	/* The 'reg' param required since DT has changed, used as 'max-freq' */
+	ret = of_property_read_u32(np, "reg", &tim->max_freq);
 	ret |= of_property_read_u32(np, "min-freq", &tim->min_freq);
 	ret |= of_property_read_u32(np, "tRFC", &tim->tRFC);
 	ret |= of_property_read_u32(np, "tRRD", &tim->tRRD);