SPM: Extract common debug code used for SPs

In later patches we will want to use the debug code defined in
cactus_debug.c for the Ivy partition, so create a common sp_debug
file for code re-use.

Signed-off-by: Ruari Phipps <ruari.phipps@arm.com>
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
Signed-off-by: Daniel Boulby <daniel.boulby@arm.com>
Change-Id: Ifc9cf0043f3f7549b1668623b44d10cae64ddab0
diff --git a/spm/cactus/cactus_main.c b/spm/cactus/cactus_main.c
index 73606bd..59cd7e7 100644
--- a/spm/cactus/cactus_main.c
+++ b/spm/cactus/cactus_main.c
@@ -16,9 +16,11 @@
 #include <lib/tftf_lib.h>
 #include <lib/xlat_tables/xlat_mmu_helpers.h>
 #include <lib/xlat_tables/xlat_tables_v2.h>
+
 #include <plat_arm.h>
 #include <plat/common/platform.h>
 #include <platform_def.h>
+#include <sp_debug.h>
 #include <sp_helpers.h>
 #include <spm_helpers.h>
 #include <std_svc.h>