crypto: img-hash - Add Imagination Technologies hw hash accelerator

This adds support for the Imagination Technologies hash accelerator which
provides hardware acceleration for SHA1 SHA224 SHA256 and MD5 hashes.

Signed-off-by: James Hartley <james.hartley@imgtec.com>
Reviewed-by: Andrew Bresticker <abrestic@chromium.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig
index 9dd34bc..8b18b66 100644
--- a/drivers/crypto/Kconfig
+++ b/drivers/crypto/Kconfig
@@ -445,4 +445,18 @@
 
 source "drivers/crypto/vmx/Kconfig"
 
+config CRYPTO_DEV_IMGTEC_HASH
+	depends on MIPS || COMPILE_TEST
+	tristate "Imagination Technologies hardware hash accelerator"
+	select CRYPTO_ALG_API
+	select CRYPTO_MD5
+	select CRYPTO_SHA1
+	select CRYPTO_SHA224
+	select CRYPTO_SHA256
+	select CRYPTO_HASH
+	help
+	  This driver interfaces with the Imagination Technologies
+	  hardware hash accelerator. Supporting MD5/SHA1/SHA224/SHA256
+	  hashing algorithms.
+
 endif # CRYPTO_HW