ppc: Zap Hymod board

ppc: Zap Hymod board

Remove this board as this is the only one last user of eeprom_probe(),
which is pretty non-standard stuff.

This patch also removes all the PHP, SQL and CSS stuff from U-Boot,
which probably makes U-Boot a bit less IoT ;-)

Signed-off-by: Marek Vasut <[email protected]>
Cc: Masahiro Yamada <[email protected]>
Cc: Tom Rini <[email protected]>
Cc: Wolfgang Denk <[email protected]>
Cc: Simon Glass <[email protected]>
Cc: Heiko Schocher <[email protected]>