RAS/CEC: Convert timers to use timer_setup()

RAS/CEC: Convert timers to use timer_setup()

In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly.

Cc: Borislav Petkov <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Christophe JAILLET <[email protected]>
Cc: Nicolas Iooss <[email protected]>
Cc: Ingo Molnar <[email protected]>
Signed-off-by: Kees Cook <[email protected]>
Reviewed-by: Borislav Petkov <[email protected]>