platform: msm_shared: Add platform subtype for 8909w-2500 device.

Add new platform subtype for 8909w-2500 device, for wearable
targets.

Change-Id: I15e276c3963494d7e2a1419f935b33fbb70fb303
Signed-off-by: Baochu Xu <bxu@codeaurora.org>
diff --git a/platform/msm_shared/smem.h b/platform/msm_shared/smem.h
index 74e0688..b931ca4 100644
--- a/platform/msm_shared/smem.h
+++ b/platform/msm_shared/smem.h
@@ -514,6 +514,7 @@
 	HW_PLATFORM_SUBTYPE_SWOC_NOWGR_CIRC = 13,
 	HW_PLATFORM_SUBTYPE_8909_PM660 = 15,
 	HW_PLATFORM_SUBTYPE_8909_COMPAL_ALPHA = 19,
+	HW_PLATFORM_SUBTYPE_8909_PM660_V1 = 18,
 	HW_PLATFORM_SUBTYPE_32BITS = 0x7FFFFFFF
 };