Move RUN_IMAGE constant from bl1.h to bl_common.h

RUN_IMAGE constant is used by all bootloader stages.

Change-Id: I1b4e28d8fcf3ad1363f202c859f5efab0f320efe

bl31/aarch64/bl31_entrypoint.S

@@ -28,7 +28,6 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <bl1.h>
 #include <bl_common.h>
 #include <platform.h>
 #include <arch.h>

common/bl_common.c

@@ -37,7 +37,6 @@
 #include <platform.h>
 #include <semihosting.h>
 #include <bl_common.h>
-#include <bl1.h>
 
 /***********************************************************
  * Memory for sharing data while changing exception levels.

include/bl1.h

@@ -33,12 +33,6 @@
 
 #include <bl_common.h>
 
-/******************************************************************************
- * Function ID of the only SMC that the BL1 exception handlers service.
- * The chosen value is the first function ID of the ARM SMC64 range.
- *****************************************************************************/
-#define RUN_IMAGE	0xC0000000
-
 #ifndef __ASSEMBLY__
 
 /******************************************

include/bl_common.h

@@ -71,6 +71,15 @@
  ******************************************************************************/
 #define CASSERT(cond, msg)	typedef char msg[(cond) ? 0 : -1]
 
+/******************************************************************************
+ * Opcode passed in x0 to tell next EL that we want to run an image.
+ * Corresponds to the function ID of the only SMC that the BL1 exception
+ * handlers service. That's why the chosen value is the first function ID of
+ * the ARM SMC64 range.
+ *****************************************************************************/
+#define RUN_IMAGE	0xC0000000
+
+
 #ifndef __ASSEMBLY__
 /*******************************************************************************
  * Structure used for telling the next BL how much of a particular type of