set.mitm: mitm everything

We still only lie about firmware version to qlaunch/maintenance.

This is to prepare for loading settings off of the SD card.

stratosphere/set_mitm/source/setsys_shim.h

@@ -0,0 +1,23 @@
+/**
+ * @file setsys_shim.h
+ * @brief System Settings Services (set:sys) IPC wrapper. To be merged into libnx, eventually.
+ * @author SciresM
+ * @copyright libnx Authors
+ */
+#pragma once
+#include <switch.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct {
+    char edid[0x100];
+} SetSysEdid;
+
+/* Command forwarders. */
+Result setsysGetEdidFwd(Service* s, SetSysEdid* out);
+
+#ifdef __cplusplus
+}
+#endif