srv6: minor CLI modifications

'sr steer [...] via sr policy [...]' -> 'sr steer [...] via [...]'
'show sr steering policies' -> 'show sr steering-policies'
'clear sr localsid counters' -> 'clear sr localsid-counters'

Change-Id: I0efbf38753a4bd0b7fba8cd08250e136e8e55199
Signed-off-by: Francois Clad <fclad@cisco.com>
diff --git a/src/vnet/srv6/sr_localsid.c b/src/vnet/srv6/sr_localsid.c
index 09b2423..c90a265 100755
--- a/src/vnet/srv6/sr_localsid.c
+++ b/src/vnet/srv6/sr_localsid.c
@@ -575,8 +575,8 @@
 
 /* *INDENT-OFF* */
 VLIB_CLI_COMMAND (clear_sr_localsid_counters_command, static) = {
-  .path = "clear sr localsid counters",
-  .short_help = "clear sr localsid counters",
+  .path = "clear sr localsid-counters",
+  .short_help = "clear sr localsid-counters",
   .function = clear_sr_localsid_counters_command_fn,
 };
 /* *INDENT-ON* */