arm64: dts: broadcom: Remove unused and undocumented properties

Remove properties which are both unused in the kernel and undocumented.
Most likely they are leftovers from downstream.

Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20241115193854.3624123-1-robh@kernel.org
Signed-off-by: Florian Fainelli <florian.fainelli@broadcom.com>

Author: robherring

arch/arm64/boot/dts/broadcom/northstar2/ns2-svk.dts

@@ -137,7 +137,6 @@
 		spi-cpha;
 		spi-cpol;
 		pl022,interface = <0>;
-		pl022,slave-tx-disable = <0>;
 		pl022,com-mode = <0>;
 		pl022,rx-level-trig = <1>;
 		pl022,tx-level-trig = <1>;
@@ -200,7 +199,6 @@
 };
 
 &qspi {
-	bspi-sel = <0>;
 	flash: flash@0 {
 		#address-cells = <1>;
 		#size-cells = <1>;

arch/arm64/boot/dts/broadcom/northstar2/ns2-xmc.dts

@@ -151,7 +151,6 @@
 		#size-cells = <1>;
 		compatible = "m25p80";
 		spi-max-frequency = <62500000>;
-		m25p,default-addr-width = <3>;
 		reg = <0x0 0x0>;
 
 		partition@0 {

arch/arm64/boot/dts/broadcom/northstar2/ns2.dtsi

@@ -134,7 +134,6 @@
 		brcm,pcie-ob;
 		brcm,pcie-ob-oarr-size;
 		brcm,pcie-ob-axi-offset = <0x00000000>;
-		brcm,pcie-ob-window-size = <256>;
 
 		status = "disabled";
 
@@ -165,7 +164,6 @@
 		brcm,pcie-ob;
 		brcm,pcie-ob-oarr-size;
 		brcm,pcie-ob-axi-offset = <0x30000000>;
-		brcm,pcie-ob-window-size = <256>;
 
 		status = "disabled";