bf60x: sec: Clean up interrupt initialization code for SEC.

Turn SEC related macro CONFIG_BF60x into SEC_GCTL.
Move machine specific GPIO_PINT macros to machine gpio header.
Split SEC init_arch_irq() and vec_to_irq() from old SIC.
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bob Liu <lliubbo@gmail.com>

arch/blackfin/mach-bf548/include/mach/gpio.h

@@ -171,6 +171,8 @@
 #define MAX_BLACKFIN_GPIOS 160
 
 #define BFIN_GPIO_PINT 1
+#define NR_PINT_SYS_IRQS        4
+#define NR_PINTS                160
 
 #ifndef __ASSEMBLY__
 

arch/blackfin/mach-bf609/include/mach/gpio.h

@@ -123,6 +123,8 @@
 
 
 #define BFIN_GPIO_PINT 1
+#define NR_PINT_SYS_IRQS        6
+#define NR_PINTS                112
 
 
 #ifndef __ASSEMBLY__