Merge "Update the help text to reflect new capabilities of -b parameter."

                    "  -d              dump the log and then exit (don't block)\n"

                    "  -t <count>      print only the most recent <count> lines (implies -d)\n"

                    "  -g              get the size of the log's ring buffer and exit\n"

                    "  -b <buffer>     request alternate ring buffer\n"

                    "                  ('main' (default), 'radio', 'events')\n"

                    "  -b <buffer>     Request alternate ring buffer, 'main', 'system', 'radio'\n"

                    "                  or 'events'. Multiple -b parameters are allowed and the\n"

                    "                  results are interleaved. The default is -b main -b system.\n"

                    "  -B              output the log in binary");