async_tx: Move ASYNC_RAID6_TEST option to crypto/async_tx/, fix dependencies

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
diff --git a/crypto/async_tx/Kconfig b/crypto/async_tx/Kconfig
index e5aeb2b..e24aa80 100644
--- a/crypto/async_tx/Kconfig
+++ b/crypto/async_tx/Kconfig
@@ -22,4 +22,18 @@
 	tristate
 	select ASYNC_CORE
 	select ASYNC_PQ
+	select ASYNC_XOR
+
+config ASYNC_RAID6_TEST
+	tristate "Self test for hardware accelerated raid6 recovery"
+	depends on ASYNC_RAID6_RECOV
+	select ASYNC_MEMCPY
+	---help---
+	  This is a one-shot self test that permutes through the
+	  recovery of all the possible two disk failure scenarios for a
+	  N-disk array.  Recovery is performed with the asynchronous
+	  raid6 recovery routines, and will optionally use an offload
+	  engine if one is available.
+
+	  If unsure, say N.