taihu: Remove

This board has not compiled for me for quite some time due to size
constraints, remove.

Cc: John Otken <jotken@softadvances.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/doc/README.scrapyard b/doc/README.scrapyard
index 2760f60..5ef6c4e 100644
--- a/doc/README.scrapyard
+++ b/doc/README.scrapyard
@@ -12,6 +12,7 @@
 
 Board            Arch        CPU            Commit      Removed     Last known maintainer/contact
 =================================================================================================
+taihu            powerpc     ppc4xx         -           -           John Otken <jotken@softadvances.com>
 lcd4_lwmon5      powerpc     ppc4xx         b6b5e394    2015-10-02  Stefan Roese <sr@denx.de>
 da830evm         arm         arm926ejs      d7e8b2b9    2015-09-12  Nick Thompson <nick.thompson@gefanuc.com>
 wireless_space   arm         arm926ejs      b352182a    2015-09-12  Albert ARIBAUD <albert.u.boot@aribaud.net>