KVM: arm64: kselftest: set_id_regs: Add test for FEAT_LSUI

Add test coverage for FEAT_LSUI.

Signed-off-by: Yeoreum Yun <yeoreum.yun@arm.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

Author: LeviYeoReum

tools/testing/selftests/kvm/arm64/set_id_regs.c

@@ -124,6 +124,7 @@ static const struct reg_ftr_bits ftr_id_aa64isar2_el1[] = {
 
 static const struct reg_ftr_bits ftr_id_aa64isar3_el1[] = {
 	REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64ISAR3_EL1, FPRCVT, 0),
+	REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64ISAR3_EL1, LSUI, 0),
 	REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64ISAR3_EL1, LSFE, 0),
 	REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64ISAR3_EL1, FAMINMAX, 0),
 	REG_FTR_END,