Add Ssdbltrp and Smdbltrp extension tests#438

ved-rivos wants to merge 1 commit intoriscv:devriscv/riscv-arch-test:devfrom

ved-rivos:ssdbltrp_smdbltrpved-rivos/riscv-arch-test:ssdbltrp_smdbltrpCopy head branch name to clipboard