clocksource: Convert to using %pOF instead of full_name

clocksource: Convert to using %pOF instead of full_name

Now that we have a custom printf format specifier, convert users of
full_name to use %pOF instead. This is preparation to remove storing
of the full path string for each node.

Signed-off-by: Rob Herring <[email protected]>
Cc: Daniel Lezcano <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Marc Gonzalez <[email protected]>
Cc: Maxime Coquelin <[email protected]>
Cc: Alexandre Torgue <[email protected]>
Cc: [email protected]
Acked-by: Marc Gonzalez <[email protected]>
Acked-by: Alexandre TORGUE <[email protected]>
Signed-off-by: Daniel Lezcano <[email protected]>