testing: HOL-Light: add support for cross-proofing

This commit introduces a new flag --arch to the hol_light command of the
tests script that allows user specification of which architecture to
run/list the proofs for. If not passed, the behavior is unchanged.

Signed-off-by: Andreas Hatziiliou <andreas.hatziiliou@savoirfairelinux.com>

Author: L-series

scripts/tests

@@ -1015,7 +1015,9 @@ class Tests:
         self.check_fail()
 
     def hol_light(self):
-        if platform.machine().lower() in ["arm64", "aarch64"]:
+        if self.args.arch:
+            arch = self.args.arch
+        elif platform.machine().lower() in ["arm64", "aarch64"]:
             arch = "aarch64"
         elif platform.machine().lower() in ["x86_64"]:
             arch = "x86_64"
@@ -1479,6 +1481,14 @@ def cli():
         default=False,
     )
 
+    hol_light_parser.add_argument(
+        "-a",
+        "--arch",
+        help="Architecture for which to list/run HOL_LIGHT proofs (aarch64 or x86_64).",
+        choices=["aarch64", "x86_64"],
+        default=None,
+    )
+
     # func arguments
     func_parser = cmd_subparsers.add_parser(
         "func",