Replace OPENBMC with BMC in the code

Changes:
   - OPENBMC is a generic term used, whereas
     the correct term to use is BMC. Updating
     in all code and documentation.

Tested:
   - Ran with the changes from the sandbox
Change-Id: Ide2d26f94a7f824005776e53105f199ac56fd980
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/ffdc/ffdc_collector.py b/ffdc/ffdc_collector.py
index 0f89581..c1cb2a7 100644
--- a/ffdc/ffdc_collector.py
+++ b/ffdc/ffdc_collector.py
@@ -325,10 +325,10 @@
         Setting logger with __name__ will add the trace
         Example:
 
-            INFO:ffdc_collector:    System Type: OPENBMC
+            INFO:ffdc_collector:    System Type: BMC
 
         Currently, set to empty purposely to log as
-            System Type: OPENBMC
+            System Type: BMC
 
         Parameters:
             log_level_attr (str):   The log level for the logger
@@ -1183,7 +1183,7 @@
         Returns:
             str: IPMI LAN service executed output.
         """
-        if self.target_type == "OPENBMC":
+        if self.target_type == "BMC":
             ipmi_parm = (
                 "ipmitool -I lanplus -C 17  -U "
                 + self.username