fix sysmobts: also use username for dsp firmware reload command
diff --git a/src/osmo_gsm_tester/bts_sysmo.py b/src/osmo_gsm_tester/bts_sysmo.py
index d702148..1c36fb8 100644
--- a/src/osmo_gsm_tester/bts_sysmo.py
+++ b/src/osmo_gsm_tester/bts_sysmo.py
@@ -72,7 +72,7 @@
             self.run_local('scp-cfg-to-sysmobts',
                 ('scp', '-r', self.config_file, '%s@%s:%s' % (self.remote_user, self.remote_addr, remote_config_file)))
 
-            self.run_local('reload-dsp-firmware', ('ssh', self.remote_addr, '/bin/sh', '-c', '"cat /lib/firmware/sysmobts-v?.bit > /dev/fpgadl_par0 ; cat /lib/firmware/sysmobts-v?.out > /dev/dspdl_dm644x_0"'))
+            self.run_remote('reload-dsp-firmware', ('/bin/sh', '-c', '"cat /lib/firmware/sysmobts-v?.bit > /dev/fpgadl_par0 ; cat /lib/firmware/sysmobts-v?.out > /dev/dspdl_dm644x_0"'))
 
             remote_lib = self.remote_inst.child('lib')
             remote_binary = self.remote_inst.child('bin', 'osmo-bts-sysmo')