ppc4xx: Remove CANBT board

This board and especially the CPU (PPC405CR) is EOL.

Signed-off-by: Matthias Fuchs <matthias.fuchs@esd.eu>
Acked-by: Wolfgang Denk <wd@denx.de>
diff --git a/doc/README.scrapyard b/doc/README.scrapyard
index a0f1fa3..87b1dfe 100644
--- a/doc/README.scrapyard
+++ b/doc/README.scrapyard
@@ -11,9 +11,10 @@
 
 Board            Arch        CPU            Commit      Removed     Last known maintainer/contact
 =================================================================================================
-Alaska8220       powerpc     mpc8220        -           -
-Yukon8220        powerpc     mpc8220        -           -
-sorcery          powerpc     mpc8220        -           -
+CANBT            powerpc     405CR          -           -           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
 smdk6400         arm         arm1176        52587f1	2013-04-12  Zhong Hongbo <bocui107@gmail.com>
 ns9750dev        arm         arm926ejs      4cfc611	2013-02-28  Markus Pietrek <mpietrek@fsforth.de>
 AMX860           powerpc     mpc860         1b0757e     2012-10-28  Wolfgang Denk <wd@denx.de>