tools/power turbostat: Consistently use print_float_value()

Fix the PMT thread code to use print_float_value(),
to be consistent with the PMT core and package code.

[lenb: commit message]
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

Author: dedekind

tools/power/x86/turbostat/turbostat.c

@@ -3489,12 +3489,12 @@ int format_counters(PER_THREAD_PARAMS)
 
 		case PMT_TYPE_XTAL_TIME:
 			value_converted = pct(value_raw / crystal_hz, interval_float);
-			outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), value_converted);
+			outp += print_float_value(&printed, delim, value_converted);
 			break;
 
 		case PMT_TYPE_TCORE_CLOCK:
 			value_converted = pct(value_raw / tcore_clock_freq_hz, interval_float);
-			outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), value_converted);
+			outp += print_float_value(&printed, delim, value_converted);
 		}
 	}