dt-bindings: clock: si570: Add 'silabs,skip-recall' property

Add an optional property so the driver can skip calling the NVM->RAM
recall operation during probe().

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Saeed Nowshadi <saeed.nowshadi@xilinx.com>
Link: https://lore.kernel.org/r/1612496104-3437-2-git-send-email-saeed.nowshadi@xilinx.com


Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>