Node names should be generic, so use 'rtc'.

Remove 'clock-frequency' as is not a valid property.

This fixes the following dt-schema warnings:

'hym8563@51' does not match '^rtc(@.*|-([0-9]|[1-9][0-9]+))?$'
Unevaluated properties are not allowed ('clock-frequency' was unexpected)

Signed-off-by: Fabio Estevam <festevam@gmail.com>
---
 arch/arm/boot/dts/rockchip/rk3288-firefly-reload.dts | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/rockchip/rk3288-firefly-reload.dts b/arch/arm/boot/dts/rockchip/rk3288-firefly-reload.dts
index a55270672732..8b491b002992 100644
--- a/arch/arm/boot/dts/rockchip/rk3288-firefly-reload.dts
+++ b/arch/arm/boot/dts/rockchip/rk3288-firefly-reload.dts

@@ -197,11 +197,10 @@ &hdmi {
 };
 
 &i2c0 {
-	hym8563: hym8563@51 {
+	hym8563: rtc@51 {
 		compatible = "haoyu,hym8563";
 		reg = <0x51>;
 		#clock-cells = <0>;
-		clock-frequency = <32768>;
 		clock-output-names = "xin32k";
 		interrupt-parent = <&gpio7>;
 		interrupts = <RK_PA4 IRQ_TYPE_EDGE_FALLING>;

-- 
2.34.1