hardware: samsung_slsi: exynos5: add secure path configure API

The library includes two interfaces:
- CP_Enable_Path_Protection()
- CP_Disable_Path_Protection()
The first one is should be called before start of DRM playback.
The second one is should be called after end of DRM playback

Bug: 7287429
Change-Id: I44aab1cca7638fb8eac3d3fc90154c5382d8c71a
Signed-off-by: Jungtae Kim <jt1217.kim@samsung.com>
[ dima: fixed extern to C and make files ]
Signed-off-by: Dima Zavin <dima@android.com>
diff --git a/Android.mk b/Android.mk
index 6011710..f279e33 100644
--- a/Android.mk
+++ b/Android.mk
@@ -32,7 +32,8 @@
 	libcamera2 \
 	mobicore \
 	libkeymaster \
-	gralloc
+	gralloc \
+	libsecurepath
 
 BOARD_USE_V4L2 := true
 BOARD_USE_V4L2_ION := true