platform: msm_shared: Rename plutonium to msm8994

This patch renames plutonium to msm8994

Change-Id: Ic1dee271ed647dfc966246312f3ff2be88fd229a
diff --git a/platform/msm_shared/smem.h b/platform/msm_shared/smem.h
index 15874f0..8d4a93d 100644
--- a/platform/msm_shared/smem.h
+++ b/platform/msm_shared/smem.h
@@ -330,7 +330,7 @@
 	MSM8926   = 200,
 	MSM8326   = 205,
 	MSM8916   = 206,
-	MSMPLUTONIUM = 207,
+	MSM8994   = 207,
 	APQ8074AA  = 208,
 	APQ8074AB  = 209,
 	APQ8074AC  = 210,