phosphor-software-manager: make version a virtual pkg

phosphor-software-manager-version provides a set of dbus
interfaces that are only useful if there is an 'updater'
package also installed.  Rather than explicitly install
phosphor-software-manager-version, have it RPROVIDE a
virtual package and set up RDEPENDS correctly so it is
added to the image whenever an 'updater' package is
installed.

Change-Id: Id6850aca023bb546881fe1583c57d9a24405e25a
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/meta-phosphor/common/recipes-phosphor/flash/phosphor-software-manager.bb b/meta-phosphor/common/recipes-phosphor/flash/phosphor-software-manager.bb
index 78955f7..6a6ba05 100644
--- a/meta-phosphor/common/recipes-phosphor/flash/phosphor-software-manager.bb
+++ b/meta-phosphor/common/recipes-phosphor/flash/phosphor-software-manager.bb
@@ -48,6 +48,11 @@
     phosphor-logging \
     phosphor-dbus-interfaces \
     sdbusplus \
+    virtual-obmc-image-manager \
+"
+
+RPROVIDES_${PN}-version += " \
+    virtual-obmc-image-manager \
 "
 
 FILES_${PN}-version += "${sbindir}/phosphor-version-software-manager"