ARM: at91: Fix typo in restart code panic message

commit e7619459 upstream.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

arch/arm/mach-at91/setup.c

@@ -333,7 +333,7 @@ static void at91_dt_rstc(void)
 
 	of_id = of_match_node(rstc_ids, np);
 	if (!of_id)
-		panic("AT91: rtsc no restart function availlable\n");
+		panic("AT91: rtsc no restart function available\n");
 
 	arm_pm_restart = of_id->data;