env: Merge Rockchip, Sunxi, Zynq and ZynqMP

There is no reason to have the same Kconfig options for different SoCs
separately. The patch is merging them together.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
[trini: Fix ENV_SIZE depends on !ENV_IS_NOWHERE]
Signed-off-by: Tom Rini <trini@konsulko.com>
1 file changed