package/dmraid: add an upstream URL to Config.in

Add an upstream URL to the help text in Config.in. This
addresses the 'Missing' URL status in the package stats
web page output.

Signed-off-by: Mark Corbin <mark@dibsco.co.uk>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/dmraid/Config.in

@@ -12,6 +12,8 @@ config BR2_PACKAGE_DMRAID
 	  dmraid uses the Linux device-mapper to create devices with
 	  respective mappings for the ATARAID sets discovered.
 
+	  http://people.redhat.com/~heinzm/sw/dmraid/
+
 comment "dmraid needs a toolchain w/ threads, dynamic library"
 	depends on BR2_USE_MMU
 	depends on BR2_STATIC_LIBS || !BR2_TOOLCHAIN_HAS_THREADS