[PATCH v2] hash: clarify comments for RTE_HASH_BUCKET_ENTRIES

[Thomas Monjalon]

> > This patch adds a comment for RTE_HASH_BUCKET_ENTRIES explaining why a
> > particular value was chosen.
> > 
> > Signed-off-by: Vladimir Medvedkin <vladimir.medvedkin at intel.com>
> Looks good
> Reviewed-by: Honnappa Nagarahalli <honnappa.nagarahalli at arm.com>

Applied, thanks.