console,boot_state: Reformat state times output

For each boot_state, report the times spent interleaved
with other console output and remove the samples arrays.

The time spent to report the times to console is not
accounted for.

Change-Id: I0c847da98901c56b356b4a933d9ae865dada98b6
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36584
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>

src/console/printk.c

@@ -49,7 +49,7 @@ void console_time_report(void)
 	if (!TRACK_CONSOLE_TIME)
 		return;
 
-	printk(BIOS_DEBUG, "Accumulated console time in " ENV_STRING " %ld ms\n",
+	printk(BIOS_DEBUG, "BS: " ENV_STRING " times (exec / console): total (unknown) / %ld ms\n",
 		DIV_ROUND_CLOSEST(console_usecs, USECS_PER_MSEC));
 }