ARM: EXYNOS: Remove hardcode wakeup unmask for EINT_0

For legacy reasons EINT_0 was being forced on for all
exynos systems as a wake interrupt.  For boards that need
EINT_0 they should probably enable it with enable_irq_wake

Signed-off-by: Jonathan Kliegman <kliegs@chromium.org>
Signed-off-by: Doug Anderson <dianders@chromium.org>
Reviewed-by: Doug Anderson <dianders@chromium.org>
Reviewed-by: Thomas Abraham <thomas.ab@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

arch/arm/mach-exynos/include/mach/pm-core.h

@@ -33,7 +33,7 @@ static inline void s3c_pm_arch_prepare_irqs(void)
 	__raw_writel(tmp, S5P_WAKEUP_MASK);
 
 	__raw_writel(s3c_irqwake_intmask, S5P_WAKEUP_MASK);
-	__raw_writel(s3c_irqwake_eintmask & 0xFFFFFFFE, S5P_EINT_WAKEUP_MASK);
+	__raw_writel(s3c_irqwake_eintmask, S5P_EINT_WAKEUP_MASK);
 }
 
 static inline void s3c_pm_arch_stop_clocks(void)