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

Add the Hyper-V virtual block 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>

drivers/staging/hv/Kconfig

@@ -12,3 +12,10 @@ config HYPERV_STORAGE
 	default n
 	help
 	 Select this option to enable the Hyper-V virtual storage driver.
+
+config HYPERV_BLOCK
+	tristate "Microsoft Hyper-V virtual block driver"
+	depends on BLOCK
+	default n
+	help
+	  Select this option to enable the Hyper-V virtual block driver.

drivers/staging/hv/Makefile

 obj-$(CONFIG_HYPERV)		+= hv_vmbus.o
 obj-$(CONFIG_HYPERV_STORAGE)	+= hv_storvsc.o
+obj-$(CONFIG_HYPERV_BLOCK)	+= hv_blkvsc.o
 
 hv_vmbus-objs := vmbus_drv.o osd.o Sources.o
 hv_storvsc-objs := storvsc_drv.o osd.o StorVsc.o
+hv_blkvsc-objs := blkvsc_drv.o osd.o BlkVsc.o