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/configs/msm8960_defconfig b/arch/arm/configs/msm8960_defconfig
index f68aa30..d08e059 100644
--- a/arch/arm/configs/msm8960_defconfig
+++ b/arch/arm/configs/msm8960_defconfig
@@ -61,6 +61,7 @@
 CONFIG_MSM_IPC_ROUTER_SMD_XPRT=y
 # CONFIG_MSM_HW3D is not set
 CONFIG_MSM_PIL_QDSP6V4=y
+CONFIG_MSM_PIL_RIVA=y
 CONFIG_MSM_SUBSYSTEM_RESTART=y
 CONFIG_MSM_MODEM_8960=y
 CONFIG_MSM_LPASS_8960=y