msm: camera: config: Makefile fixes to support legacy kernel build system

Adds fixes to makefile in order to support legacy kernel build systems.

CRs-Fixed: 2560543
Change-Id: Iab571871e5171aab501c41496cc09e3c5d942985
Signed-off-by: Karthik Jayakumar <kjayakum@codeaurora.org>

drivers/cam_cust/cam_custom_context.h

@@ -7,8 +7,9 @@
 #define _CAM_CUSTOM_CONTEXT_H_
 
 #include <linux/spinlock.h>
-#include <uapi/media/cam_custom.h>
-#include <uapi/media/cam_defs.h>
+
+#include <media/cam_custom.h>
+#include <media/cam_defs.h>
 
 #include "cam_context.h"
 #include "cam_custom_hw_mgr_intf.h"