Fix MISRA rule 8.4 Part 1

Rule 8.4: A compatible declaration shall be visible when
          an object or function with external linkage is defined

Fixed for:
	make DEBUG=1 PLAT=fvp LOG_LEVEL=50 all

Change-Id: I7c2ad3f5c015411c202605851240d5347e4cc8c7
Signed-off-by: Roberto Vargas <roberto.vargas@arm.com>
diff --git a/bl2/bl2_image_load_v2.c b/bl2/bl2_image_load_v2.c
index f51dea8..d95c6b2 100644
--- a/bl2/bl2_image_load_v2.c
+++ b/bl2/bl2_image_load_v2.c
@@ -14,6 +14,7 @@
 #include <platform.h>
 #include <platform_def.h>
 #include <stdint.h>
+#include "bl2_private.h"
 
 
 /*******************************************************************************