[PATCH] ppc64: Cleanup proc printing of event types

[PATCH] ppc64: Cleanup proc printing of event types

The code that prints event counts by type uses a hand-coded number of tabs
to get the alignment right. Instead use a printf alignment which will allow
allow us to use the event_type strings elsewhere in the future.

Signed-off-by: Michael Ellerman <[email protected]>
Acked-by: Stephen Rothwell <[email protected]>
Signed-off-by: Paul Mackerras <[email protected]>