When we enable Super-IO and GMAC/GNET on Loongson-2K we find they can
not work, there are several problems in the dts files, so fix them.

Huacai Chen(4):
 LoongArch: Update dts for Loongson-2K1000 to support ISA/LPC.
 LoongArch: Update dts for Loongson-2K2000 to support ISA/LPC.
 LoongArch: Update dts for Loongson-2K2000 to support PCI-MSI.
 LoongArch: Update dts for Loongson-2K2000 to support GMAC/GNET.

Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
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2.27.0