arm64: dts: ti: k3-am6: Add ti,sci-rm-range-gp-rings property for ringacc

The property is needed for the driver to be able to query the GP ring range
via tisci instead of wiring it via DT.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>

arch/arm64/boot/dts/ti/k3-am65-main.dtsi

@@ -142,6 +142,7 @@
 				<0x0 0x33000000 0x0 0x40000>;
 			reg-names = "rt", "fifos", "proxy_gcfg", "proxy_target";
 			ti,num-rings = <818>;
+			ti,sci-rm-range-gp-rings = <0x2>; /* GP ring range */
 			ti,gp-rings = <304 464>; /* start, cnt */
 			ti,dma-ring-reset-quirk;
 			ti,sci = <&dmsc>;

arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi

@@ -59,6 +59,7 @@
 				<0x0 0x2a500000 0x0 0x40000>;
 			reg-names = "rt", "fifos", "proxy_gcfg", "proxy_target";
 			ti,num-rings = <286>;
+			ti,sci-rm-range-gp-rings = <0x2>; /* GP ring range */
 			ti,gp-rings = <96 255>; /* start, cnt */
 			ti,dma-ring-reset-quirk;
 			ti,sci = <&dmsc>;