mp2usb: finish the removal

- remove from boards.cfg
- add to doc/README.scrapyard

Signed-off-by: Eric Bénard <eric@eukrea.com>
diff --git a/doc/README.scrapyard b/doc/README.scrapyard
index 8f98b60..5cdf151 100644
--- a/doc/README.scrapyard
+++ b/doc/README.scrapyard
@@ -11,6 +11,7 @@
 
 Board	Arch	CPU	removed	    Commit	last known maintainer/contact
 =============================================================================
+mp2usb	ARM	AT91RM2900 	ee986e2	2011-01-25	Eric Bénard <eric@eukrea.com>
 barco	powerpc	MPC8245	-	  2010-11-23	Marc Leeman <marc.leeman@barco.com>
 ERIC	powerpc	405GP	d9ba451	  2010-11-21	Swen Anderson <sand@peppercon.de>
 VoVPN-GW_100MHz	powerpc	MPC8260 26fe3d2 2010-10-24	Juergen Selent <j.selent@elmeg.de>