mpc8260: remove MPC8266ADS board support

This board is still a non-generic board.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Rune Torgersen <runet@innovsys.com>
diff --git a/doc/README.scrapyard b/doc/README.scrapyard
index 7e4eaef..d358d62 100644
--- a/doc/README.scrapyard
+++ b/doc/README.scrapyard
@@ -12,6 +12,7 @@
 
 Board            Arch        CPU            Commit      Removed     Last known maintainer/contact
 =================================================================================================
+MPC8266ADS       powerpc     mpc8260        -           -           Rune Torgersen <runet@innovsys.com>
 VoVPN-GW         powerpc     mpc8260        -           -
 ep8260           powerpc     mpc8260        -           -           Frank Panno <fpanno@delphintech.com>
 ppmc8260         powerpc     mpc8260        -           -           Brad Kemp <Brad.Kemp@seranoa.com>