ARM: socfpga: Remove adhoc ethernet reset and configuration

Remove ad-hoc ethernet syscon registers configuration and reset support.
Reset is now handled by the reset framework and the syscon registers are
set in the dwmac_socfpga.c driver.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Chin Liang See <chin.liang.see@intel.com>
Cc: Dinh Nguyen <dinguyen@kernel.org>
Cc: Ley Foon Tan <ley.foon.tan@intel.com>
3 files changed