firmware: convert ymfpci driver to use firmware loader exclusively

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
diff --git a/firmware/WHENCE b/firmware/WHENCE
index c08dbc8..ae40fb1 100644
--- a/firmware/WHENCE
+++ b/firmware/WHENCE
@@ -31,3 +31,16 @@
 specs on the dsp."
 
 --------------------------------------------------------------------------
+
+Driver: ymfpci -- Yamaha YMF724/740/744/754 audio devices
+
+File: yamaha/ds1_ctrl.fw
+File: yamaha/ds1_dsp.fw
+File: yamaha/ds1e_ctrl.fw
+
+Licence: Unknown
+
+Found alsa-firmware package in hex form, with the following comment:
+   Copyright (c) 1997-1999 Yamaha Corporation. All Rights Reserved.
+
+--------------------------------------------------------------------------