msm: Make iommu domains platform devices

Information about the layout of iommu domains is a device
specific option. Convert the iommu domain information
into a platform driver with a corresponding platform device.
This allows different devices to have different layouts as
needed.

Change-Id: I6bf4162476143daabe16a2f5de3b655ae4377902
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
diff --git a/arch/arm/mach-msm/devices.h b/arch/arm/mach-msm/devices.h
index 9e3ac63..5718fe0 100644
--- a/arch/arm/mach-msm/devices.h
+++ b/arch/arm/mach-msm/devices.h
@@ -373,5 +373,8 @@
 extern struct platform_device msm_device_csic1;
 extern struct platform_device msm_device_vfe;
 extern struct platform_device msm_device_vpe;
-
 extern struct platform_device mpq8064_device_qup_i2c_gsbi5;
+
+extern struct platform_device msm8960_iommu_domain_device;
+extern struct platform_device msm8930_iommu_domain_device;
+extern struct platform_device apq8064_iommu_domain_device;