Move wepep250,delta,xsengine to scrapyard

Drop wepep250 board from MAINTAINERS and add all these three boards to
doc/README.scrapyard

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>

MAINTAINERS

@@ -639,10 +639,6 @@ Fabio Estevam <fabio.estevam@freescale.com>
 
 	mx31pdk		i.MX31
 
-Peter Figuli <peposh@etc.sk>
-
-	wepep250	xscale
-
 Daniel Gorsulowski <daniel.gorsulowski@esd.eu>
 
 	meesc		ARM926EJS (AT91SAM9263 SoC)

doc/README.scrapyard

@@ -11,6 +11,9 @@ easily if here is something they might want to dig for...
 
 Board	Arch	CPU	removed	    Commit	last known maintainer/contact
 =============================================================================
+xsengine ARM	PXA2xx	4262a7c   2010-10-20
+wepep250 ARM	PXA2xx	7369478   2010-10-20	Peter Figuli <peposh@etc.sk>
+delta	ARM	PXA2xx	75e2035   2010-10-20
 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>