ppc: Zap MHPC board

This board uses eeprom accessors in an incorrect way. The board
is old and unsupported, just zap it.

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 6658227..9eccfa2 100644
--- a/doc/README.scrapyard
+++ b/doc/README.scrapyard
@@ -12,6 +12,7 @@
 
 Board            Arch        CPU            Commit      Removed     Last known maintainer/contact
 =================================================================================================
+MHPC             powerpc     mpc8xx         -           -           Frank Gottschling <fgottschling@eltec.de>
 ICU862           powerpc     mpc8xx         -           -           Wolfgang Denk <wd@denx.de>
 CPCI750		 powerpc     74xx_7xx	    -		-	    Reinhard Arlt <reinhard.arlt@esd-electronics.com>
 DB64360		 powerpc     74xx_7xx	    -		-