KVM: arm64: nv: Add trap description for SPSR_EL2 and ELR_EL2

Having carved a hole for SP_EL1, we are now missing the entries
for SPSR_EL2 and ELR_EL2. Add them back.
Reported-by: Miguel Luis <miguel.luis@oracle.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>

arch/arm64/kvm/emulate-nested.c

@@ -651,6 +651,8 @@ static const struct encoding_to_trap_config encoding_to_cgt[] __initconst = {
 	SR_RANGE_TRAP(sys_reg(3, 4, 0, 0, 0),
 		      sys_reg(3, 4, 3, 15, 7), CGT_HCR_NV),
 	/* Skip the SP_EL1 encoding... */
+	SR_TRAP(SYS_SPSR_EL2,		CGT_HCR_NV),
+	SR_TRAP(SYS_ELR_EL2,		CGT_HCR_NV),
 	SR_RANGE_TRAP(sys_reg(3, 4, 4, 1, 1),
 		      sys_reg(3, 4, 10, 15, 7), CGT_HCR_NV),
 	SR_RANGE_TRAP(sys_reg(3, 4, 12, 0, 0),