vendor/cm: Bump cmsdk platform version.

Change-Id: I5f460fd94e9e85003d6d7dac58c42d5d3d31a742
diff --git a/config/common.mk b/config/common.mk
index 39de5ee..03d90e3 100644
--- a/config/common.mk
+++ b/config/common.mk
@@ -332,7 +332,7 @@
   # the SDK are released.  It should only be incremented when the APIs for
   # the new release are frozen (so that developers don't write apps against
   # intermediate builds).
-  CM_PLATFORM_SDK_VERSION := 4
+  CM_PLATFORM_SDK_VERSION := 5
 endif
 
 ifndef CM_PLATFORM_REV