plat: qemu: update the early platform setup API

Replaces deprecated early platform setup APIs

* Replaces bl31_early_platform_setup() with bl31_early_platform_setup2()
* Replaces bl2_early_platform_setup() with bl2_early_platform_setup2()

Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
diff --git a/plat/qemu/qemu_bl2_setup.c b/plat/qemu/qemu_bl2_setup.c
index 997c85d..b9a30d8 100644
--- a/plat/qemu/qemu_bl2_setup.c
+++ b/plat/qemu/qemu_bl2_setup.c
@@ -117,10 +117,11 @@
 }
 #endif /* !LOAD_IMAGE_V2 */
 
-
-
-void bl2_early_platform_setup(meminfo_t *mem_layout)
+void bl2_early_platform_setup2(u_register_t arg0, u_register_t arg1,
+			       u_register_t arg2, u_register_t arg3)
 {
+	meminfo_t *mem_layout = (void *)arg1;
+
 	/* Initialize the console to provide early debug support */
 	qemu_console_init();