Merge branch 'nfc-const'

Krzysztof Kozlowski says:

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nfc: constify, continued (part 2)

On top of:
nfc: constify pointed data
https://lore.kernel.org/lkml/20210726145224.146006-1-krzysztof.kozlowski@canonical.com/


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Signed-off-by: David S. Miller <davem@davemloft.net>