rsync: add depends

Since we set a configure option for rsync to link against
external zlib and popt, we also need to add them to the
DEPENDS list.  This solves a QA warning.

Change-Id: Iaf22d8306bd22df155b26cdcafdca4ad39c6ceab
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/meta-phosphor/common/recipes-devtools/rsync/rsync_%.bbappend b/meta-phosphor/common/recipes-devtools/rsync/rsync_%.bbappend
index e65d1f2..eafb15b 100644
--- a/meta-phosphor/common/recipes-devtools/rsync/rsync_%.bbappend
+++ b/meta-phosphor/common/recipes-devtools/rsync/rsync_%.bbappend
@@ -2,3 +2,5 @@
                          --without-included-popt --without-included-zlib"
 
 PACKAGECONFIG = ""
+
+DEPENDS_append = " popt zlib"