ARM: shmobile: rcar-gen2: Use SZ_256K definition

Use SZ_256K instead of calculating the same value.

Signed-off-by: Geert Uytterhoeven <[e-mail]>
Reviewed-by: Wolfram Sang <[e-mail]>
Link: https://lore.kernel.org/c5409[e-mail]

arch/arm/mach-shmobile/pm-rcar-gen2.c

···
 
 map:
 	/* RAM for jump stub, because BAR requires 256KB aligned address */
-	if (res.start & (256 * 1024 - 1) ||
+	if (res.start & (SZ_256K - 1) ||
 	    resource_size(&res) < shmobile_boot_size) {
 		pr_err("Invalid smp-sram region\n");
 		return;