ppc: Zap ICU862 board

This board is the only user of CONFIG_SYS_EEPROM_X40430 , remove
it so the EEPROM command code can be cleansed of the related code
as well.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Tom Rini <trini@ti.com>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Simon Glass <sjg@chromium.org>
Cc: Heiko Schocher <hs@denx.de>
diff --git a/doc/README.scrapyard b/doc/README.scrapyard
index 7e5db20..6658227 100644
--- a/doc/README.scrapyard
+++ b/doc/README.scrapyard
@@ -12,6 +12,7 @@
 
 Board            Arch        CPU            Commit      Removed     Last known maintainer/contact
 =================================================================================================
+ICU862           powerpc     mpc8xx         -           -           Wolfgang Denk <wd@denx.de>
 CPCI750		 powerpc     74xx_7xx	    -		-	    Reinhard Arlt <reinhard.arlt@esd-electronics.com>
 DB64360		 powerpc     74xx_7xx	    -		-
 DB64460		 powerpc     74xx_7xx	    -		-