ams:bpc: allow programatically setting reboot payload

libraries/libstratosphere/source/ams/ams_bpc.h

@@ -28,7 +28,7 @@ void amsBpcExit(void);
 Service *amsBpcGetServiceSession(void);
 
 Result amsBpcRebootToFatalError(void *ctx);
-Result amsBpcSetInitialPayload(const void *src, size_t src_size);
+Result amsBpcSetRebootPayload(const void *src, size_t src_size);
 
 #ifdef __cplusplus
 }