MIPS: KVM: Drop unused guest_inst from kvm_vcpu_arch

The MIPS kvm_vcpu_arch::guest_inst isn't used, so drop it from the
struct and drop its asm-offsets definition.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krčmář <rkrcmar@redhat.com>
Cc: linux-mips@linux-mips.org
Cc: kvm@vger.kernel.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

arch/mips/include/asm/kvm_host.h

@@ -347,7 +347,6 @@ struct kvm_vcpu_arch {
 	unsigned long host_cp0_cause;
 	unsigned long host_cp0_epc;
 	unsigned long host_cp0_entryhi;
-	uint32_t guest_inst;
 
 	/* GPRS */
 	unsigned long gprs[32];

arch/mips/kernel/asm-offsets.c

@@ -366,8 +366,6 @@ void output_kvm_defines(void)
 	OFFSET(VCPU_HOST_EPC, kvm_vcpu_arch, host_cp0_epc);
 	OFFSET(VCPU_HOST_ENTRYHI, kvm_vcpu_arch, host_cp0_entryhi);
 
-	OFFSET(VCPU_GUEST_INST, kvm_vcpu_arch, guest_inst);
-
 	OFFSET(VCPU_R0, kvm_vcpu_arch, gprs[0]);
 	OFFSET(VCPU_R1, kvm_vcpu_arch, gprs[1]);
 	OFFSET(VCPU_R2, kvm_vcpu_arch, gprs[2]);