Add riscv which don't have shared memory connector. Following tests passed with this patch and [CODETOOLS-7903138](https://github.com/openjdk/jtreg/pull/66):
- vmTestbase/nsk/jdb/options/connect/connect003/connect003.java - vmTestbase/nsk/jdb/options/connect/connect005/connect005.java - vmTestbase/nsk/jdb/options/listconnectors/listconnectors001/listconnectors001.java - vmTestbase/nsk/jdi/AttachingConnector/attach/attach002/TestDescription.java - vmTestbase/nsk/jdi/AttachingConnector/attach/attach005/TestDescription.java - vmTestbase/nsk/jdi/AttachingConnector/attachnosuspend/attachnosuspend003/TestDescription.java - vmTestbase/nsk/jdi/LaunchingConnector/launch/launch002/TestDescription.java - vmTestbase/nsk/jdi/LaunchingConnector/launch/launch004/TestDescription.java - vmTestbase/nsk/jdi/ListeningConnector/accept/accept002/TestDescription.java ------------- Commit messages: - [testbug] Adapt nsk tests to the RISC-V platform Changes: https://git.openjdk.java.net/jdk/pull/8137/files Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=8137&range=00 Issue: https://bugs.openjdk.java.net/browse/JDK-8284495 Stats: 7 lines in 1 file changed: 6 ins; 0 del; 1 mod Patch: https://git.openjdk.java.net/jdk/pull/8137.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/8137/head:pull/8137 PR: https://git.openjdk.java.net/jdk/pull/8137
