crypto: allwinner - Add allwinner subdirectory

Since a second Allwinner crypto driver will be added, it is better to
create a dedicated subdirectory.
Acked-by: Maxime Ripard <mripard@kernel.org>
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

MAINTAINERS

@@ -688,6 +688,12 @@ L:	linux-crypto@vger.kernel.org
 S:	Maintained
 F:	drivers/crypto/sunxi-ss/
 
+ALLWINNER CRYPTO DRIVERS
+M:	Corentin Labbe <clabbe.montjoie@gmail.com>
+L:	linux-crypto@vger.kernel.org
+S:	Maintained
+F:	drivers/crypto/allwinner/
+
 ALLWINNER VPU DRIVER
 M:	Maxime Ripard <mripard@kernel.org>
 M:	Paul Kocialkowski <paul.kocialkowski@bootlin.com>

drivers/crypto/Kconfig

@@ -11,6 +11,8 @@ menuconfig CRYPTO_HW
 
 if CRYPTO_HW
 
+source "drivers/crypto/allwinner/Kconfig"
+
 config CRYPTO_DEV_PADLOCK
 	tristate "Support for VIA PadLock ACE"
 	depends on X86 && !UML

drivers/crypto/Makefile

 # SPDX-License-Identifier: GPL-2.0
+obj-$(CONFIG_CRYPTO_DEV_ALLWINNER) += allwinner/
 obj-$(CONFIG_CRYPTO_DEV_ATMEL_AES) += atmel-aes.o
 obj-$(CONFIG_CRYPTO_DEV_ATMEL_SHA) += atmel-sha.o
 obj-$(CONFIG_CRYPTO_DEV_ATMEL_TDES) += atmel-tdes.o

drivers/crypto/allwinner/Kconfig

+config CRYPTO_DEV_ALLWINNER
+	bool "Support for Allwinner cryptographic offloader"
+	depends on ARCH_SUNXI || COMPILE_TEST
+	default y if ARCH_SUNXI
+	help
+	  Say Y here to get to see options for Allwinner hardware crypto devices