amlogic: Fix prefixes in the SCPI related code

Add a new aml_* prefix to the SCPI related function calls.

Signed-off-by: Carlo Caione <ccaione@baylibre.com>
Change-Id: I697812ac1c0df28cbb639a1dc3e838f1107fb739
diff --git a/plat/amlogic/gxl/gxl_bl31_setup.c b/plat/amlogic/gxl/gxl_bl31_setup.c
index 4092220..e7c4218 100644
--- a/plat/amlogic/gxl/gxl_bl31_setup.c
+++ b/plat/amlogic/gxl/gxl_bl31_setup.c
@@ -108,10 +108,10 @@
 
 static inline void gxl_scp_boot(void)
 {
-	scpi_upload_scp_fw(bl30_image_info.image_base,
-			bl30_image_info.image_size, 0);
-	scpi_upload_scp_fw(bl301_image_info.image_base,
-			bl301_image_info.image_size, 1);
+	aml_scpi_upload_scp_fw(bl30_image_info.image_base,
+			       bl30_image_info.image_size, 0);
+	aml_scpi_upload_scp_fw(bl301_image_info.image_base,
+			       bl301_image_info.image_size, 1);
 	while (!gxl_scp_ready())
 		;
 }