[lldb] Disable TestSwiftImageLookupPC.py

This test is failing in CentOS bot

rdar://125497260

Author: rintaro

lldb/test/API/commands/target/modules/swift/TestSwiftImageLookupPC.py

@@ -7,6 +7,7 @@
 
 class SwiftAddressExpressionTest(TestBase):
     @swiftTest
+    @skipIfLinux # rdar://125497260
     def test(self):
         """Test that you can use register names in image lookup in a swift frame."""
         self.build()