Merge branch 'net-skb-remove-skb_data_area_size'

Ricardo Martinez says:

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net: skb: Remove skb_data_area_size()

This patch series removes the skb_data_area_size() helper,
replacing it in t7xx driver with the size used during skb allocation.

https://lore.kernel.org/netdev/CAHNKnsTmH-rGgWi3jtyC=ktM1DW2W1VJkYoTMJV2Z_Bt498bsg@mail.gmail.com/
====================

Link: https://lore.kernel.org/r/20220513173400.3848271-1-ricardo.martinez@linux.intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>