kvm_host.h: fix spelling typo in function declaration

Make parameters in function declaration consistent with
those in function definition for better cscope-ability

Signed-off-by: Wang Liang <wangliangzz@inspur.com>
Reviewed-by: Sean Christopherson <seanjc@google.com>
Link: https://lore.kernel.org/r/20220920060210.4842-1-wangliangzz@126.com


Signed-off-by: Sean Christopherson <seanjc@google.com>