Fix sdbusplus subproject wrap

sdbusplus publishes sdbusplus_dep.  Add this to the subproject file.

Change-Id: If8ea5667510c8a67259d62dabb9ac7104f6db6df
Signed-off-by: Ed Tanous <[email protected]>

Author: edtanous

subprojects/sdbusplus.wrap

@@ -1,3 +1,6 @@
 [wrap-git]
 url = https://github.com/openbmc/sdbusplus.git
 revision = HEAD
+
+[provide]
+sdbusplus = sdbusplus_dep