KVM: arm64: selftests: Add FEAT_RAS EL2 registers to get-reg-list

VDISR_EL2 and VSESR_EL2 are now visible to userspace for nested VMs. Add
them to get-reg-list.

Link: https://lore.kernel.org/r/20250728152603.2823699-1-oliver.upton@linux.dev
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>

Author: oupton

tools/testing/selftests/kvm/arm64/get-reg-list.c

@@ -63,6 +63,8 @@ static struct feature_id_reg feat_id_regs[] = {
 	REG_FEAT(HDFGWTR2_EL2,	ID_AA64MMFR0_EL1, FGT, FGT2),
 	REG_FEAT(ZCR_EL2,	ID_AA64PFR0_EL1, SVE, IMP),
 	REG_FEAT(SCTLR2_EL1,	ID_AA64MMFR3_EL1, SCTLRX, IMP),
+	REG_FEAT(VDISR_EL2,	ID_AA64PFR0_EL1, RAS, IMP),
+	REG_FEAT(VSESR_EL2,	ID_AA64PFR0_EL1, RAS, IMP),
 };
 
 bool filter_reg(__u64 reg)
@@ -749,6 +751,8 @@ static __u64 el2_regs[] = {
 	SYS_REG(CNTHV_CTL_EL2),
 	SYS_REG(CNTHV_CVAL_EL2),
 	SYS_REG(SP_EL2),
+	SYS_REG(VDISR_EL2),
+	SYS_REG(VSESR_EL2),
 };
 
 #define BASE_SUBLIST \