Add PROVIDES to all provider classes
When multiple recipes provide a package PREFERRED_PROVIDER
is used to pick one. However bitbake doesn't look at
RPROVIDES when it figures this out.
diff --git a/classes/obmc-phosphor-system-mgmt.bbclass b/classes/obmc-phosphor-system-mgmt.bbclass
index 4939d2f..07c89c4 100644
--- a/classes/obmc-phosphor-system-mgmt.bbclass
+++ b/classes/obmc-phosphor-system-mgmt.bbclass
@@ -1,3 +1,4 @@
# Common code for recipes that implement Phosphor OpenBMC system management.
RPROVIDES_${PN} += "virtual/obmc-phosphor-system-mgmt"
+PROVIDES += "virtual/obmc-phosphor-system-mgmt"