op-proc-control: Depend on pdbg for libpdbg

Subsequent patches will link against libpdbg.

Change-Id: I6d4cdf3c53fa5410960fc98b1b3e03ed169eb907
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
diff --git a/recipes-phosphor/host/op-proc-control_git.bb b/recipes-phosphor/host/op-proc-control_git.bb
index 592633b..05d6d90 100644
--- a/recipes-phosphor/host/op-proc-control_git.bb
+++ b/recipes-phosphor/host/op-proc-control_git.bb
@@ -19,6 +19,15 @@
         phosphor-dbus-interfaces \
         openpower-dbus-interfaces \
         "
+
+# For libpdbg, provided by the pdbg package
+DEPENDS += "pdbg"
+
+# For now, explicitly depend on the pdbg package for the pdbg binary at runtime
+# (as documentation). This will be removed shortly when we only depend on
+# libpdbg; the pdbg package will automatically injected into RDEPENDS by
+# bitbake as it is in DEPENDS and openpower-proc-nmi has a runtime link
+# dependency on libpdbg.
 RDEPENDS_${PN} += "pdbg"
 
 TEMPLATE = "pcie-poweroff@.service"