platform: msm_shared: Fix compilation warnings in shared drivers

Fix compilation warnings.

Change-Id: I09246797de33c29a1edeace4af99d3cb78257071
diff --git a/platform/msm_shared/boot_stats.c b/platform/msm_shared/boot_stats.c
index 551000e..20635f2 100644
--- a/platform/msm_shared/boot_stats.c
+++ b/platform/msm_shared/boot_stats.c
@@ -30,6 +30,7 @@
 #include <debug.h>
 #include <reg.h>
 #include <platform/iomap.h>
+#include <platform.h>
 
 static uint32_t kernel_load_start;
 void bs_set_timestamp(enum bs_entry bs_id)