perf arm-spe: Print size using consistent format

perf arm-spe: Print size using consistent format

Since the size is already printed earlier in hex, print the same data
using the same format, in hex.

Reviewed-by: James Clark <[email protected]>
Reviewed-by: Leo Yan <[email protected]>
Signed-off-by: Andrew Kilroy <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: John Garry <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Mathieu Poirier <[email protected]>
Cc: Mike Leach <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Will Deacon <[email protected]>
Cc: [email protected]
Cc: [email protected]
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: German Gomez <[email protected]>
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>