ltp: make copyFrom scp command non-fatal

[YOCTO #13802]

Make the scp failure non-fatal so the ltp tests continue to run and
the rest of the logs will be available to see afterwards.

(From OE-Core rev: 0f7d093038274f4f21f6cca39a96aac4f6c32ee3)

Signed-off-by: Mingde (Matthew) Zeng <matthew.zeng@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/lib/oeqa/runtime/cases/ltp.py

@@ -78,9 +78,10 @@ class LtpTest(LtpTestBase):
             # copy nice log from DUT
             dst = os.path.join(self.ltptest_log_dir, "%s" %  ltp_group )
             remote_src = "/opt/ltp/results/%s" % ltp_group 
-            (status, output) = self.target.copyFrom(remote_src, dst)
+            (status, output) = self.target.copyFrom(remote_src, dst, True)
             msg = 'File could not be copied. Output: %s' % output
-            self.assertEqual(status, 0, msg=msg)
+            if status:
+                self.target.logger.warning(msg)
 
             parser = LtpParser()
             results, sections  = parser.parse(dst)