[cli] change 'binary' arg to '-x' for consistency (#5543) (#5549)

tests/scripts/expect/cli-dataset.exp

@@ -193,25 +193,25 @@ set spawn_id $spawn_2
 send "dataset mgmtgetcommand active \
 activetimestamp pendingtimestamp masterkey networkname extpanid \
 localprefix delaytimer panid channel \
-binary 000102030405060708090a0b0e0f0c333435 \
+-x 000102030405060708090a0b0e0f0c333435 \
 address $addr\n"
 expect "Done"
 send "dataset mgmtgetcommand pending \
 activetimestamp pendingtimestamp masterkey networkname extpanid \
 localprefix delaytimer panid channel \
-binary 000102030405060708090a0b0e0f0c333435 \
+-x 000102030405060708090a0b0e0f0c333435 \
 address $addr\n"
 expect "Done"
 
 set spawn_id $spawn_1
-send "dataset active binary\n"
-expect "dataset active binary"
+send "dataset active -x\n"
+expect "dataset active -x"
 expect -re {([0-9a-f]+)}
 set binary $expect_out(1,string)
 expect "Done"
 send "dataset set pending $binary\n"
 expect "Done"
-send "dataset pending binary\n"
+send "dataset pending -x\n"
 expect $binary
 expect "Done"
 send "dataset set active $binary\n"

tests/scripts/thread-cert/node.py

@@ -1243,7 +1243,7 @@ class Node:
             cmd += 'networkname %s ' % self._escape_escapable(network_name)
 
         if binary is not None:
-            cmd += 'binary %s ' % binary
+            cmd += '-x %s ' % binary
 
         self.send_command(cmd)
         self._expect('Done')
@@ -1524,7 +1524,7 @@ class Node:
         self._expect('coaps response', timeout=timeout)
 
     def commissioner_mgmtset(self, tlvs_binary):
-        cmd = 'commissioner mgmtset binary %s' % tlvs_binary
+        cmd = 'commissioner mgmtset -x %s' % tlvs_binary
         self.send_command(cmd)
         self._expect('Done')