[dts] [V1] framework/dut: Modify the format of eal parameter API output

[Jun Dong <junx.dong@intel.com>]

- Remove blank from cores list
- Change validate rule of port to compatible with FreeBSD
- Modify file prefix generate rule to compatible with FreeBSD

Signed-off-by: Jun Dong <junx.dong@intel.com>
---
 framework/dut.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/framework/dut.py b/framework/dut.py
index 7b3535c7..4b5c34ec 100644
--- a/framework/dut.py
+++ b/framework/dut.py
@@ -1386,7 +1386,7 @@ class _EalParameter(object):
                 or all(map(lambda _port: type(_port) == str, ports))
                 and all(
             map(
-                lambda _port: re.match(r"^([\d\w]+:){2}[\d\w]+\.[\d\w]+$", _port),
+                lambda _port: re.match(r"^([\d\w]+:){1,2}[\d\w]+\.[\d\w]+$", _port),
                 ports,
             )
         )
@@ -1446,7 +1446,7 @@ class _EalParameter(object):
                 )
             return _formated_core_list
 
-        return f'-l {", ".join(_get_consecutive_cores_range(core_list))}'
+        return f'-l {",".join(_get_consecutive_cores_range(core_list))}'
 
     def _make_memory_channels(self) -> str:
         param_template = "-n {}"
@@ -1499,7 +1499,6 @@ class _EalParameter(object):
             if not self.fixed_prefix:
                 fixed_file_prefix = fixed_file_prefix + "_" + self.dut.prefix_subfix
         fixed_file_prefix = self._do_os_handle_with_prefix_param(fixed_file_prefix)
-        fixed_file_prefix = "--file-prefix=" + fixed_file_prefix
         return fixed_file_prefix
 
     def _make_vdevs_param(self) -> str:
@@ -1570,6 +1569,7 @@ class _EalParameter(object):
             file_prefix = ""
         else:
             self.dut.prefix_list.append(file_prefix)
+            file_prefix = "--file-prefix=" + file_prefix
         return file_prefix
 
     def make_eal_param(self) -> str:
-- 
2.33.1.windows.1