KVM: arm64: Use common Set/Way sys definitions

Now that we have common definitions for the encoding of Set/Way cache
maintenance operations, make the KVM code use these, simplifying the
sys_reg_descs table.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Christoffer Dall <christoffer.dall@linaro.org>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: kvmarm@lists.cs.columbia.edu

arch/arm64/kvm/sys_regs.c

@@ -879,15 +879,9 @@ static bool access_cntp_cval(struct kvm_vcpu *vcpu,
  * more demanding guest...
  */
 static const struct sys_reg_desc sys_reg_descs[] = {
-	/* DC ISW */
-	{ Op0(0b01), Op1(0b000), CRn(0b0111), CRm(0b0110), Op2(0b010),
-	  access_dcsw },
-	/* DC CSW */
-	{ Op0(0b01), Op1(0b000), CRn(0b0111), CRm(0b1010), Op2(0b010),
-	  access_dcsw },
-	/* DC CISW */
-	{ Op0(0b01), Op1(0b000), CRn(0b0111), CRm(0b1110), Op2(0b010),
-	  access_dcsw },
+	{ SYS_DESC(SYS_DC_ISW), access_dcsw },
+	{ SYS_DESC(SYS_DC_CSW), access_dcsw },
+	{ SYS_DESC(SYS_DC_CISW), access_dcsw },
 
 	DBG_BCR_BVR_WCR_WVR_EL1(0),
 	DBG_BCR_BVR_WCR_WVR_EL1(1),