Fix SMM updates on newer SMM firmware versions

Must explicitly declare the type of firmware now, accomodate that
with the request.  Older SMMs will return error that we will ignore.

Change-Id: I8911da94ccbfc5447c2d4902cbbcbd48c87605cf

pyghmi/ipmi/oem/lenovo/nextscale.py

@@ -400,6 +400,9 @@ class SMMClient(object):
                     break
         progress({'phase': 'upload', 'progress': 0.0})
         url = self.wc  # this is just to get self.st1 initted
+        self.wc.request('POST', '/data', 'set=fwType:10')  # SMM firmware
+        rsp = self.wc.getresponse()
+        rsp.read()
         url = '/fwupload/fwupload.esp?ST1={0}'.format(self.st1)
         self.wc.upload(url, filename, data, formname='fileUpload',
                        otherfields={'preConfig': 'on'})