Kconfig: Drop CONFIG_CMD_DS4510_INFO

This option is only used in one driver and two boards. It does not seem
worth having the ability to remove this part of the support.

Drop the option.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Heiko Schocher <hs@denx.de>