ARM: EXYNOS: Remove duplicated define of SLEEP_MAGIC

The magic cookie for entering sleep state was defined and used in
two different places: firmware.c and suspend.c. Move it to one common
place to reduce duplication.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski.k@gmail.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>

arch/arm/mach-exynos/suspend.c

@@ -38,8 +38,6 @@
 #include "regs-pmu.h"
 #include "exynos-pmu.h"
 
-#define S5P_CHECK_SLEEP 0x00000BAD
-
 #define REG_TABLE_END (-1U)
 
 #define EXYNOS5420_CPU_STATE	0x28
@@ -331,7 +329,7 @@ static void exynos_pm_enter_sleep_mode(void)
 {
 	/* Set value of power down register for sleep mode */
 	exynos_sys_powerdown_conf(SYS_SLEEP);
-	pmu_raw_writel(S5P_CHECK_SLEEP, S5P_INFORM1);
+	pmu_raw_writel(EXYNOS_SLEEP_MAGIC, S5P_INFORM1);
 }
 
 static void exynos_pm_prepare(void)