arm64: zynqmp: Add missing silabs,skip-recall for si570 ref clk nodes

All si570 which are used for ps reference clock generation should contain
silabs,skip-recall property not to cause break on ps clock.
On Versal boards this will cause hang on Versal cpu when it is booted at
the same time with SC.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/arch/arm/dts/zynqmp-m-a2197-01-revA.dts b/arch/arm/dts/zynqmp-m-a2197-01-revA.dts
index 19e1ebd..213149a 100644
--- a/arch/arm/dts/zynqmp-m-a2197-01-revA.dts
+++ b/arch/arm/dts/zynqmp-m-a2197-01-revA.dts
@@ -343,9 +343,10 @@
 				compatible = "silabs,si570";
 				reg = <0x5d>; /* FIXME addr */
 				temperature-stability = <50>;
-				factory-fout = <156250000>; /* FIXME every chip can be different */
+				factory-fout = <33333333>;
 				clock-frequency = <33333333>;
 				clock-output-names = "REF_CLK"; /* FIXME */
+				silabs,skip-recall;
 			};
 			/* Connection via Samtec U20D */
 			/* Use for storing information about X-PRC card */