ARM: 6520/1: Kconfig: add new symbol MIGHT_HAVE_PCI

Today more boards with arm cpu have selectable pci bus.
This patch makes this more scalable and remove line continuations in
Kconfig
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Hans Ulli Kroll <ulli.kroll@googlemail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/Kconfig

@@ -34,6 +34,9 @@ config ARM
 config HAVE_PWM
 	bool
 
+config MIGHT_HAVE_PCI
+	bool
+
 config SYS_SUPPORTS_APM_EMULATION
 	bool
 
@@ -298,6 +301,7 @@ config ARCH_CNS3XXX
 	select CPU_V6
 	select GENERIC_CLOCKEVENTS
 	select ARM_GIC
+	select MIGHT_HAVE_PCI
 	select PCI_DOMAINS if PCI
 	help
 	  Support for Cavium Networks CNS3XXX platform.
@@ -433,6 +437,7 @@ config ARCH_IXP4XX
 	select CPU_XSCALE
 	select GENERIC_GPIO
 	select GENERIC_CLOCKEVENTS
+	select MIGHT_HAVE_PCI
 	select DMABOUNCE if PCI
 	help
 	  Support for Intel's IXP4XX (XScale) family of processors.
@@ -1164,7 +1169,7 @@ config ISA_DMA_API
 	bool
 
 config PCI
-	bool "PCI support" if ARCH_INTEGRATOR_AP || ARCH_VERSATILE_PB || ARCH_IXP4XX || ARCH_KS8695 || MACH_ARMCORE || ARCH_CNS3XXX
+	bool "PCI support" if MIGHT_HAVE_PCI
 	help
 	  Find out whether you have a PCI motherboard. PCI is the name of a
 	  bus system, i.e. the way the CPU talks to the other stuff inside

arch/arm/mach-cns3xxx/Kconfig

@@ -3,6 +3,7 @@ menu "CNS3XXX platform type"
 
 config MACH_CNS3420VB
 	bool "Support for CNS3420 Validation Board"
+	select MIGHT_HAVE_PCI
 	help
 	  Include support for the Cavium Networks CNS3420 MPCore Platform
 	  Baseboard.

arch/arm/mach-integrator/Kconfig

@@ -4,6 +4,7 @@ menu "Integrator Options"
 
 config ARCH_INTEGRATOR_AP
 	bool "Support Integrator/AP and Integrator/PP2 platforms"
+	select MIGHT_HAVE_PCI
 	help
 	  Include support for the ARM(R) Integrator/AP and
 	  Integrator/PP2 platforms.

arch/arm/mach-ks8695/Kconfig

@@ -4,6 +4,7 @@ menu "Kendin/Micrel KS8695 Implementations"
 
 config MACH_KS8695
 	bool "KS8695 development board"
+	select MIGHT_HAVE_PCI
 	help
 	  Say 'Y' here if you want your kernel to run on the original
 	  Kendin-Micrel KS8695 development board.

arch/arm/mach-pxa/Kconfig

@@ -94,6 +94,7 @@ config MACH_ARMCORE
 	select PXA27x
 	select IWMMXT
 	select PXA25x
+	select MIGHT_HAVE_PCI
 
 config MACH_EM_X270
 	bool "CompuLab EM-x270 platform"

arch/arm/mach-versatile/Kconfig

@@ -4,6 +4,7 @@ menu "Versatile platform type"
 config ARCH_VERSATILE_PB
 	bool "Support Versatile/PB platform"
 	select CPU_ARM926T
+	select MIGHT_HAVE_PCI
 	default y
 	help
 	  Include support for the ARM(R) Versatile/PB platform.