memory: ti-aemif-cs: Compute timing configuration from DT parsing

The Linux bindings of the AEMIF offer properties that specify the
transaction timings for each chips select.

Add parsing of these properties to calculate the chip select's
configuration from them and the rate of the AEMIF's reference clock.

Signed-off-by: Bastien Curutchet <bastien.curutchet@bootlin.com>
1 file changed