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/Kconfig b/arch/arm/mach-msm/Kconfig
index c049b5f..d80586e 100644
--- a/arch/arm/mach-msm/Kconfig
+++ b/arch/arm/mach-msm/Kconfig
@@ -1611,6 +1611,14 @@
 	  The QDSP6 is a low power DSP used in audio, modem firmware, and modem
 	  software applications.
 
+config MSM_PIL_RIVA
+	tristate "RIVA (WCNSS) Boot Support"
+	depends on MSM_PIL
+	help
+	  Support for booting and shutting down the RIVA processor (WCNSS).
+	  Riva is the wireless subsystem processor used in bluetooth, wireless
+	  LAN, and FM software applications.
+
 config MSM_SCM
 	bool "Secure Channel Manager (SCM) support"
 	default n