omap1510inn: arm925t: remove support

omap1510inn is orphan and has been for years now.
Reove it and, as it was the only arm925t target,
also remove arm925t support.
Update doc/README.scrapyard accordingly.

Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net>
diff --git a/doc/README.scrapyard b/doc/README.scrapyard
index 87b1dfe..0f9a486 100644
--- a/doc/README.scrapyard
+++ b/doc/README.scrapyard
@@ -11,7 +11,8 @@
 
 Board            Arch        CPU            Commit      Removed     Last known maintainer/contact
 =================================================================================================
-CANBT            powerpc     405CR          -           -           Matthias Fuchs <matthias.fuchs@esd.eu>
+omap1510inn      arm         arm925t        -           -           Kshitij Gupta <kshitij@ti.com>
+CANBT            powerpc     405CR          fb8f4fd     2013-08-07  Matthias Fuchs <matthias.fuchs@esd.eu>
 Alaska8220       powerpc     mpc8220        d6ed322     2013-05-11
 Yukon8220        powerpc     mpc8220        d6ed322     2013-05-11
 sorcery          powerpc     mpc8220        d6ed322     2013-05-11