Pass architecture into Benchmark_Driver to fix build-script -B (#33100)

* Pass architecture into Benchmark_Driver to fix `build-script -B`

* "Benchmark_Driver compare" does not need the architecture

benchmark/cmake/modules/AddSwiftBenchmarkSuite.cmake

@@ -742,11 +742,13 @@ function(swift_benchmark_compile)
       add_custom_target("check-${executable_target}"
           COMMAND "${swift-bin-dir}/Benchmark_Driver" "run"
                   "-o" "O" "--output-dir" "${CMAKE_CURRENT_BINARY_DIR}/logs"
+                  "--architecture" "${arch}"
                   "--swift-repo" "${SWIFT_SOURCE_DIR}"
                   "--independent-samples" "${SWIFT_BENCHMARK_NUM_O_ITERATIONS}"
           COMMAND "${swift-bin-dir}/Benchmark_Driver" "run"
                   "-o" "Onone" "--output-dir" "${CMAKE_CURRENT_BINARY_DIR}/logs"
                   "--swift-repo" "${SWIFT_SOURCE_DIR}"
+                  "--architecture" "${arch}"
                   "--independent-samples" "${SWIFT_BENCHMARK_NUM_ONONE_ITERATIONS}"
           COMMAND "${swift-bin-dir}/Benchmark_Driver" "compare"
                   "--log-dir" "${CMAKE_CURRENT_BINARY_DIR}/logs"

benchmark/scripts/Benchmark_Driver

@@ -919,6 +919,12 @@ def parse_args(args):
         help="optimization level to use: {O,Onone,Osize}, (default: O)",
         default="O",
     )
+    shared_benchmarks_parser.add_argument(
+        "--architecture",
+        metavar="architecture",
+        help="current architecture (e.g., x86_64, arm64, etc)",
+        default=None,
+    )
 
     run_parser = subparsers.add_parser(
         "run",