LoongArch: KVM: Remove unused parameter len

Parameter len is unused in some functions with eiointc emulation driver,
remove it here.

Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
This commit is contained in:
Bibo Mao 2025-07-21 09:26:32 +08:00 • committed by Huacai Chen
commit a0630332fd