Staging: hv: add the Hyper-V virtual scsi driver to the build

Add the Hyper-V virtual scsi driver to the kernel build system.

Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/staging/hv/Kconfig b/drivers/staging/hv/Kconfig
index 40d922b..52e8921 100644
--- a/drivers/staging/hv/Kconfig
+++ b/drivers/staging/hv/Kconfig
@@ -6,3 +6,9 @@
 	  Select this option to run Linux as a Hyper-V client operating
 	  system.
 
+config HYPERV_STORAGE
+	tristate "Microsoft Hyper-V virtual storage driver"
+	depends on SCSI
+	default n
+	help
+	 Select this option to enable the Hyper-V virtual storage driver.