dev_send_frame: More flexibility in requiring the Interface argument

Remove the strict enforcement of the Interface argument for this CAPI
command so that each individual handler can decide on its own whether to
require that argument. In particular, this allows dev_send_frame to be
used in AP mode without the Interface argument being used to enable some
60 GHz testing needs.

Signed-off-by: Alexei Avshalom Lazar <ailizaro@codeaurora.org>
diff --git a/dev.c b/dev.c
index 548b312..e717bfd 100644
--- a/dev.c
+++ b/dev.c
@@ -262,7 +262,7 @@
 
 void dev_register_cmds(void)
 {
-	sigma_dut_reg_cmd("dev_send_frame", req_intf_prog, cmd_dev_send_frame);
+	sigma_dut_reg_cmd("dev_send_frame", req_prog, cmd_dev_send_frame);
 	sigma_dut_reg_cmd("dev_set_parameter", req_intf_prog,
 			  cmd_dev_set_parameter);
 	sigma_dut_reg_cmd("dev_exec_action", req_prog,