bus: ti-sysc: Timers no longer need legacy quirk handling

As timers no longer need legacy quirk handling, let's move them to
the CONFIG_DEBUG section to make it easier to see which drivers still
need more work.

Let's also add detection for few more older timer revisions while at
it as that makes CONFIG_DEBUG output easier to read with proper names.

Cc: Grygorii Strashko <grygorii.strashko@ti.com>
Cc: Keerthy <j-keerthy@ti.com>
Cc: Lokesh Vutla <lokeshvutla@ti.com>
Cc: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>