Fall back to generic info if vendor specific parser fails (#517)

* Enables utility to fall back to generic info if vendor specific parser fails

* Added blank line after function end

* Changed per review

sonic_platform_base/sonic_storage/ssd.py

@@ -105,9 +105,8 @@ def fetch_parse_info(self, diskdev):
         if self.model:
             vendor = self._parse_vendor()
             if vendor:
-
-                self.fetch_vendor_ssd_info(diskdev, vendor)
                 try:
+                    self.fetch_vendor_ssd_info(diskdev, vendor)
                     self.parse_vendor_ssd_info(vendor)
                 except Exception as ex:
                     self.log.log_error("{}".format(str(ex)))