feat(rme): add SVE Realm tests

Verifies Realm with SVE support. Below tests are added
- Check whether RMI features reports proper SVE VL
- Create SVE Realm and check rdvl result
- Create SVE Realm with invalid VL and check if it fails
- Create SVE Realm and test ID registers
- Create non SVE Realm and test ID registers
- Create SVE Realm and probe all supported VLs
- Check RMM preserves NS ZCR_EL2 register

Signed-off-by: Arunachalam Ganapathy <arunachalam.ganapathy@arm.com>
Change-Id: I98a20f34ce72c7c1a353ed13678870168fa27c48
diff --git a/realm/include/realm_tests.h b/realm/include/realm_tests.h
index 0e653ba..c1c780b 100644
--- a/realm/include/realm_tests.h
+++ b/realm/include/realm_tests.h
@@ -12,6 +12,9 @@
 bool test_pmuv3_event_works_realm(void);
 bool test_pmuv3_rmm_preserves(void);
 bool test_pmuv3_overflow_interrupt(void);
+bool test_realm_sve_rdvl(void);
+bool test_realm_sve_read_id_registers(void);
+bool test_realm_sve_probe_vl(void);
 
 #endif /* REALM_TESTS_H */