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/common/sp_helpers.h b/spm/common/sp_helpers.h
index 399200a..9f5400c 100644
--- a/spm/common/sp_helpers.h
+++ b/spm/common/sp_helpers.h
@@ -9,7 +9,7 @@
 
 #include <stdint.h>
 #include <tftf_lib.h>
-#include <ffa_helpers.h>
+#include <spm_common.h>
 
 typedef struct {
 	u_register_t fid;