crypto: replace scatterwalk_sg_next with sg_next

Modify crypto drivers to use the generic SG helper since
both of them are equivalent and the one from crypto is redundant.

See also:
  468577abe37ff7b453a9ac613e0ea155349203ae   reverted in
  b2ab4a57b018aafbba35bff088218f5cc3d2142e

Signed-off-by: Cristian Stoica <cristian.stoica@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --cc crypto/ablkcipher.c
Simple merge

diff --cc crypto/ahash.c
Simple merge

diff --cc crypto/scatterwalk.c
Simple merge

diff --cc drivers/crypto/bfin_crc.c
Simple merge

diff --cc drivers/crypto/caam/sg_sw_sec4.h
Simple merge

diff --cc drivers/crypto/ixp4xx_crypto.c
Simple merge

diff --cc drivers/crypto/nx/nx.c
Simple merge

diff --cc drivers/crypto/omap-aes.c
Simple merge

diff --cc drivers/crypto/omap-des.c
Simple merge

diff --cc drivers/crypto/qce/dma.c
Simple merge

diff --cc drivers/crypto/qce/sha.c
Simple merge

diff --cc drivers/crypto/sahara.c
Simple merge

diff --cc drivers/crypto/talitos.c
Simple merge

diff --cc drivers/crypto/ux500/cryp/cryp_core.c
Simple merge

diff --cc include/crypto/scatterwalk.h
Simple merge