msm: pil: Implement tzapps support as a platform driver

Create a platform driver to manage the tzapps support instead of
having a module that exists for any 8660 device. This allows us
to add platform devices when the configuration actually supports
it and have pil_get() fail otherwise.

Change-Id: I22707d8947ef360522edb1cd9ee6792cbd8fe797
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
diff --git a/arch/arm/mach-msm/Kconfig b/arch/arm/mach-msm/Kconfig
index d80586e..66c3af3 100644
--- a/arch/arm/mach-msm/Kconfig
+++ b/arch/arm/mach-msm/Kconfig
@@ -1619,6 +1619,16 @@
 	  Riva is the wireless subsystem processor used in bluetooth, wireless
 	  LAN, and FM software applications.
 
+config MSM_PIL_TZAPPS
+	tristate "TZApps Boot Support"
+	depends on MSM_PIL
+	help
+	  Support for booting and shutting down TZApps.
+
+	  TZApps is an image that runs in the secure processor state. It is
+	  used to decrypt data and perform secure operations on the behalf of
+	  the kernel.
+
 config MSM_SCM
 	bool "Secure Channel Manager (SCM) support"
 	default n