MIPS: kvm: Fix build error with KVM_MIPS_DEBUG_COP0_COUNTERS enabled

Commit e4de2057 ("MIPS: KVM: Fix NULL pointer dereference") missed
converting one place accessing cop0 registers, which results in a build
error, if KVM_MIPS_DEBUG_COP0_COUNTERS is enabled.

Fixes: e4de2057 ("MIPS: KVM: Fix NULL pointer dereference")
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>

arch/mips/kvm/stats.c

@@ -54,9 +54,9 @@ void kvm_mips_dump_stats(struct kvm_vcpu *vcpu)
 	kvm_info("\nKVM VCPU[%d] COP0 Access Profile:\n", vcpu->vcpu_id);
 	for (i = 0; i < N_MIPS_COPROC_REGS; i++) {
 		for (j = 0; j < N_MIPS_COPROC_SEL; j++) {
-			if (vcpu->arch.cop0->stat[i][j])
+			if (vcpu->arch.cop0.stat[i][j])
 				kvm_info("%s[%d]: %lu\n", kvm_cop0_str[i], j,
-					 vcpu->arch.cop0->stat[i][j]);
+					 vcpu->arch.cop0.stat[i][j]);
 		}
 	}
 #endif