arm64: dts: rockchip: Drop unsupported properties

"pinctrl-names" is not valid without a pinctrl-N property.

"max-freq" is not a defined property name. Maybe it was supposed to be
"spi-max-frequency", but changing to that would be a change in behavior.

Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20260108230607.1348879-1-robh@kernel.org
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm64/boot/dts/rockchip/rk3399-kobol-helios64.dts

@@ -425,7 +425,6 @@
 &pcie0 {
 	ep-gpios = <&gpio2 RK_PD4 GPIO_ACTIVE_HIGH>;
 	num-lanes = <2>;
-	pinctrl-names = "default";
 	status = "okay";
 
 	vpcie12v-supply = <&vcc12v_dcin>;

arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts

@@ -969,7 +969,6 @@
 };
 
 &spi1 {
-	max-freq = <10000000>;
 	status = "okay";
 
 	spiflash: flash@0 {