test: make sp805 driver common across test setups

This driver will be needed in the primary_with_secondaries test setup
in the subsequent patches as a source of secure interrupt.

Signed-off-by: Madhukar Pappireddy <madhukar.pappireddy@arm.com>
Change-Id: I71db13fb763c327ea2342e0b3b3371c8483d7b7b
diff --git a/test/vmapi/ffa_secure_partitions/secure_interrupts.c b/test/vmapi/ffa_secure_partitions/secure_interrupts.c
index 661bb56..06cb089 100644
--- a/test/vmapi/ffa_secure_partitions/secure_interrupts.c
+++ b/test/vmapi/ffa_secure_partitions/secure_interrupts.c
@@ -15,6 +15,7 @@
 #include "ffa_secure_partitions.h"
 #include "gicv3.h"
 #include "partition_services.h"
+#include "sp805.h"
 #include "sp_helpers.h"
 
 #define SP_SLEEP_TIME 400U