Move BL1 and BL2 private defines to bl_common.h

The definitions in bl1/bl1_private.h and bl2/bl2_private.h are useful for
platforms that may need to access them.

Change-Id: Ifd1880f855ddafcb3bfcaf1ed4a4e0f121eda174
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
diff --git a/plat/layerscape/common/ls_bl1_setup.c b/plat/layerscape/common/ls_bl1_setup.c
index fb929fe..163b35c 100644
--- a/plat/layerscape/common/ls_bl1_setup.c
+++ b/plat/layerscape/common/ls_bl1_setup.c
@@ -4,11 +4,11 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
+#include <common/bl_common.h>
 #include <common/debug.h>
 
 #include "ls_16550.h"
 #include "plat_ls.h"
-#include "../../../bl1/bl1_private.h"
 
 /* Data structure which holds the extents of the trusted SRAM for BL1*/
 static meminfo_t bl1_tzram_layout;