KVM: arm64: nv: Expose FEAT_AFP to NV-enabled VMs

FEAT_AFP doesn't intersect with any EL2 trap behavior, expose to
NV-enabled VMs.

Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Signed-off-by: Marc Zyngier <maz@kernel.org>

Author: oupton

arch/arm64/kvm/nested.c

@@ -1527,7 +1527,6 @@ u64 limit_nv_id_reg(struct kvm *kvm, u32 reg, u64 val)
 		val &= ~(ID_AA64MMFR1_EL1_CMOW		|
 			 ID_AA64MMFR1_EL1_TIDCP1	|
 			 ID_AA64MMFR1_EL1_nTLBPA	|
-			 ID_AA64MMFR1_EL1_AFP		|
 			 ID_AA64MMFR1_EL1_ETS		|
 			 ID_AA64MMFR1_EL1_TWED		|
 			 ID_AA64MMFR1_EL1_XNX		|