uboot-phytec

ARM: rmobile: Clean up ad-hoc clock macros

As we have a proper clock framework driver, these macros are not
needed, so drop them and clean up the whitelist.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>