blackfin: mach-common: add sec support for bf60x

Add system event controller support for bf60x so that interrupt can be
handled.
Signed-off-by: Steven Miao <realmz6@gmail.com>
Signed-off-by: Bob Liu <lliubbo@gmail.com>

arch/blackfin/include/asm/irqflags.h

@@ -67,7 +67,11 @@ static inline notrace unsigned long __hard_local_irq_save(void)
 
 static inline notrace int hard_irqs_disabled_flags(unsigned long flags)
 {
+#ifdef CONFIG_BF60x
+	return (flags & IMASK_IVG11) == 0;
+#else
 	return (flags & ~0x3f) == 0;
+#endif
 }
 
 static inline notrace int hard_irqs_disabled(void)
@@ -224,7 +228,7 @@ static inline notrace void hard_local_irq_restore(unsigned long flags)
  * Direct interface to linux/irqflags.h.
  */
 #define arch_local_save_flags()		hard_local_save_flags()
-#define arch_local_irq_save(flags)	__hard_local_irq_save()
+#define arch_local_irq_save()		__hard_local_irq_save()
 #define arch_local_irq_restore(flags)	__hard_local_irq_restore(flags)
 #define arch_local_irq_enable()		__hard_local_irq_enable()
 #define arch_local_irq_disable()	__hard_local_irq_disable()