Migrate __warn_deprecated -> __deprecated

Use the new __deprecated macro from the generic cdefs header and remove
the deprecated __warn_deprecated.

Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
diff --git a/include/plat/common/common_def.h b/include/plat/common/common_def.h
index 744c22e..916720c 100644
--- a/include/plat/common/common_def.h
+++ b/include/plat/common/common_def.h
@@ -70,13 +70,6 @@
   #define MAKE_ULL(x)			x
 #endif
 
-/*
- * Macros to wrap declarations of deprecated APIs within Trusted Firmware.
- * The callers of these APIs will continue to compile with a warning as long
- * as the build flag ERROR_DEPRECATED is zero.
- */
-#define __warn_deprecated	__attribute__ ((deprecated))
-
 #define BL2_IMAGE_DESC {				\
 	.image_id = BL2_IMAGE_ID,			\
 	.image_info.h.version = VERSION_1,		\
diff --git a/include/plat/common/platform.h b/include/plat/common/platform.h
index 687c221..f37a80f 100644
--- a/include/plat/common/platform.h
+++ b/include/plat/common/platform.h
@@ -273,7 +273,7 @@
  * haven't migrated to the new platform API to compile on platforms which
  * have the compatibility layer disabled.
  */
-unsigned int platform_get_core_pos(unsigned long mpidr) __warn_deprecated;
+unsigned int platform_get_core_pos(unsigned long mpidr) __deprecated;
 
 #endif /* __ENABLE_PLAT_COMPAT__ */
 #endif /* __PLATFORM_H__ */