Enable testing for Zba, Zbb, Zbc, and Zbs extensions

Update the RISC-V architectural test to include support for testing the
Zba, Zbb, Zbc, and Zbs extensions.

With this change, users can run tests for these extensions using the
following command:

make arch-test RISCV_DEVICE=IMZbaZbbZbcZbs

Author: visitorckw

tests/arch-test-target/setup.py

@@ -24,10 +24,18 @@ def setup_testlist(riscv_device):
     if 'C' in riscv_device:
         misa |= constants.misa_C
         ISA += 'C'
+    if 'Zba' in riscv_device:
+        ISA += '_Zba' if 'Z' in ISA else 'Zba'
+    if 'Zbb' in riscv_device:
+        ISA += '_Zbb' if 'Z' in ISA else 'Zbb'
+    if 'Zbc' in riscv_device:
+        ISA += '_Zbc' if 'Z' in ISA else 'Zbc'
+    if 'Zbs' in riscv_device:
+        ISA += '_Zbs' if 'Z' in ISA else 'Zbs'
     if 'Zicsr' in riscv_device:
-        ISA += 'Zicsr'
+        ISA += '_Zicsr' if 'Z' in ISA else 'Zicsr'
     if 'Zifencei' in riscv_device:
-        ISA += '_Zifencei' if 'Zicsr' in ISA else 'Zifencei'
+        ISA += '_Zifencei' if 'Z' in ISA else 'Zifencei'
 
     with open(ispec, 'r') as file:
         try: