davinci: Integrate cp_intc support into low-level irq code

Integrate the Common Platform Interrupt Controller (cp_intc)
support into the low-level irq handling for davinci and similar
platforms.  Do it such that support for cp_intc and the original
aintc can coexist in the same kernel binary.

Signed-off-by: Mark A. Greer <mgreer@mvista.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig
index d7614a0..7640867 100644
--- a/arch/arm/mach-davinci/Kconfig
+++ b/arch/arm/mach-davinci/Kconfig
@@ -1,5 +1,8 @@
 if ARCH_DAVINCI
 
+config AINTC
+	bool
+
 config CP_INTC
 	bool
 
@@ -9,12 +12,15 @@
 
 config ARCH_DAVINCI_DM644x
 	bool "DaVinci 644x based system"
+	select AINTC
 
 config ARCH_DAVINCI_DM355
         bool "DaVinci 355 based system"
+	select AINTC
 
 config ARCH_DAVINCI_DM646x
         bool "DaVinci 646x based system"
+	select AINTC
 
 comment "DaVinci Board Type"