ARM: meson: fix spelling mistake: "Couln't" -> "Couldn't"

Trivial fix to spelling mistake in pr_err error message
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>

arch/arm/mach-meson/platsmp.c

@@ -102,7 +102,7 @@ static void __init meson_smp_prepare_cpus(const char *scu_compatible,
 
 	scu_base = of_iomap(node, 0);
 	if (!scu_base) {
-		pr_err("Couln't map SCU registers\n");
+		pr_err("Couldn't map SCU registers\n");
 		return;
 	}