Temoprarily stop running this test on Intel macs

The test is expecting watchpoint hits that are valid on aarch64
systems but not on Intel.  I need to update this test to match the
actual behavior on Intel macs, and don't want the CI bots to stay
broken while I get that figured out.

Author: jasonmolenda

lldb/test/API/functionalities/watchpoint/unaligned-spanning-two-dwords/TestUnalignedSpanningDwords.py

@@ -25,7 +25,7 @@ def hit_watchpoint_and_continue(self, process, iter_str):
     NO_DEBUG_INFO_TESTCASE = True
 
     # debugserver on AArch64 has this feature.
-    @skipIf(archs=no_match(["x86_64", "arm64", "arm64e", "aarch64"]))
+    @skipIf(archs=no_match(["arm64", "arm64e", "aarch64"]))
     @skipUnlessDarwin
     # debugserver only started returning an exception address within
     # a range lldb expects in https://reviews.llvm.org/D147820 2023-04-12.
@@ -41,6 +41,8 @@ def test_unaligned_watchpoint(self):
             self, "break here", self.main_source_file
         )
 
+        thread.StepOver()
+
         frame = thread.GetFrameAtIndex(0)
 
         a_bytebuf_6 = frame.GetValueForVariablePath("a.bytebuf[6]")