sdm: Identify device node path before opening.

- Check existence of /dev/graphic/fb* and /dev/fb* path
  and open appropriate device node.

CRs-Fixed: 1062882
Change-Id: Icd1f2a3f444a748eb05a7abbe9f98eae25cf254a
diff --git a/sdm/libs/utils/sys.cpp b/sdm/libs/utils/sys.cpp
index 0d1ab0e..f5e0f29 100644
--- a/sdm/libs/utils/sys.cpp
+++ b/sdm/libs/utils/sys.cpp
@@ -45,6 +45,7 @@
 
 // Pointer to actual driver interfaces.
 Sys::ioctl Sys::ioctl_ = ::ioctl;
+Sys::access Sys::access_ = ::access;
 Sys::open Sys::open_ = ::open;
 Sys::close Sys::close_ = ::close;
 Sys::poll Sys::poll_ = ::poll;