target/loongarch: Report error with split kernel_irqchip option

Option kernel_irqchip=split is not supported on LoongArch virt machine,
report error and exit if detect split kernel_irqchip option.

Reviewed-by: Song Gao <gaosong@loongson.cn>
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Message-ID: <20250606063431.2557468-1-maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
1 file changed