MIPS: Loongson64: DTS: Add RTC support to LS7A PCH

The RTC module is now supported, enable it.

Acked-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn>
Signed-off-by: WANG Xuerui <git@xen0n.name>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

authored by Binbin Zhou and committed by Thomas Bogendoerfer 8a649e33 dc917ea7

+7
+7
arch/mips/boot/dts/loongson/ls7a-pch.dtsi
··· 19 #interrupt-cells = <2>; 20 }; 21 22 ls7a_uart0: serial@10080000 { 23 compatible = "ns16550a"; 24 reg = <0 0x10080000 0 0x100>;
··· 19 #interrupt-cells = <2>; 20 }; 21 22 + rtc0: rtc@100d0100 { 23 + compatible = "loongson,ls7a-rtc"; 24 + reg = <0 0x100d0100 0 0x78>; 25 + interrupt-parent = <&pic>; 26 + interrupts = <52 IRQ_TYPE_LEVEL_HIGH>; 27 + }; 28 + 29 ls7a_uart0: serial@10080000 { 30 compatible = "ns16550a"; 31 reg = <0 0x10080000 0 0x100>;