msm: pil-8960: Break off Riva support into separate driver

Implement the Riva boot and shutdown support as a platform
driver.

Change-Id: I4d9227009b817f2f4b530ebf1eecfb3d8844dd58
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
diff --git a/arch/arm/mach-msm/devices.h b/arch/arm/mach-msm/devices.h
index 264e9a9..be96e13 100644
--- a/arch/arm/mach-msm/devices.h
+++ b/arch/arm/mach-msm/devices.h
@@ -178,6 +178,7 @@
 extern struct platform_device msm_8960_q6_lpass;
 extern struct platform_device msm_8960_q6_mss_fw;
 extern struct platform_device msm_8960_q6_mss_sw;
+extern struct platform_device msm_8960_riva;
 
 extern struct platform_device apq_pcm;
 extern struct platform_device apq_pcm_routing;