The syscon access functions are no longer used outside of the core
EP93xx code. Move their definitions into the SoC code.
Signed-off-by: NRyan Mallon <rmallon@gmail.com>
Reviewed-by: NMika Westerberg <mika.westerberg@iki.fi>
Acked-by: NHartley Sweeten <hsweeten@visionengravers.com>