platform: msm_shared: Fix compilation warnings for msm_shared drivers

Fix compilation warnings

Change-Id: I5c65751cedc9a76fb256a6f69722ae58ee505011
diff --git a/platform/msm_shared/board.c b/platform/msm_shared/board.c
index 538d381..3b2493d 100644
--- a/platform/msm_shared/board.c
+++ b/platform/msm_shared/board.c
@@ -31,6 +31,7 @@
 #include <board.h>
 #include <smem.h>
 #include <baseband.h>
+#include <boot_device.h>
 
 static struct board_data board = {UNKNOWN,
 	0,