powerpc/configs: Drop no longer needed CONFIG_CRYPTO_NULL

Since commit 00b9cfa3ff ("mac80111: Add GCMP and GCMP-256 ciphers")
we no longer need to set CONFIG_CRYPTO_NULL in our defconfigs.

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Michael Ellerman 2017-08-23 15:37:33 +10:00
commit 60ac25ba05