KVM: arm64: nv: Add ICH_*_EL2 registers to vpcu_sysreg

FEAT_NV2 comes with a bunch of register-to-memory redirection
involving the ICH_*_EL2 registers (LRs, APRs, VMCR, HCR).

Adds them to the vcpu_sysreg enumeration.

Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20250225172930.1850838-6-maz@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>

Author: Marc Zyngier

arch/arm64/include/asm/kvm_host.h

@@ -557,7 +557,33 @@ enum vcpu_sysreg {
 	VNCR(CNTP_CVAL_EL0),
 	VNCR(CNTP_CTL_EL0),
 
+	VNCR(ICH_LR0_EL2),
+	VNCR(ICH_LR1_EL2),
+	VNCR(ICH_LR2_EL2),
+	VNCR(ICH_LR3_EL2),
+	VNCR(ICH_LR4_EL2),
+	VNCR(ICH_LR5_EL2),
+	VNCR(ICH_LR6_EL2),
+	VNCR(ICH_LR7_EL2),
+	VNCR(ICH_LR8_EL2),
+	VNCR(ICH_LR9_EL2),
+	VNCR(ICH_LR10_EL2),
+	VNCR(ICH_LR11_EL2),
+	VNCR(ICH_LR12_EL2),
+	VNCR(ICH_LR13_EL2),
+	VNCR(ICH_LR14_EL2),
+	VNCR(ICH_LR15_EL2),
+
+	VNCR(ICH_AP0R0_EL2),
+	VNCR(ICH_AP0R1_EL2),
+	VNCR(ICH_AP0R2_EL2),
+	VNCR(ICH_AP0R3_EL2),
+	VNCR(ICH_AP1R0_EL2),
+	VNCR(ICH_AP1R1_EL2),
+	VNCR(ICH_AP1R2_EL2),
+	VNCR(ICH_AP1R3_EL2),
 	VNCR(ICH_HCR_EL2),
+	VNCR(ICH_VMCR_EL2),
 
 	NR_SYS_REGS	/* Nothing after this line! */
 };