SPM: Sort out secure_fw/include

Move 'tfm_core_get_boot_data' into SPRTL since it is an API
for SP usage.

Change-Id: Ieeb029a990305cade72583ee5defe531af0ef5a5
Signed-off-by: Summer Qin <summer.qin@arm.com>
diff --git a/secure_fw/partitions/lib/sprt/service_api.c b/secure_fw/partitions/lib/sprt/service_api.c
new file mode 100644
index 0000000..09d48fd
--- /dev/null
+++ b/secure_fw/partitions/lib/sprt/service_api.c
@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2020, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#include "cmsis_compiler.h"
+#include "service_api.h"
+#include "tfm/tfm_core_svc.h"
+
+__attribute__((naked))
+int32_t tfm_core_get_boot_data(uint8_t major_type,
+                               struct tfm_boot_data *boot_status,
+                               uint32_t len)
+{
+    __ASM volatile(
+        "SVC    %0\n"
+        "BX     lr\n"
+        : : "I" (TFM_SVC_GET_BOOT_DATA));
+}