meta-phosphor: Add ldd to debugtools

Resolves openbmc/openbmc#225

Change-Id: Icc55978794ad93a1ba051e9fd89c29f558b904ab
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/meta-phosphor/common/recipes-phosphor/packagegroups/packagegroup-obmc-phosphor-debugtools.bb b/meta-phosphor/common/recipes-phosphor/packagegroups/packagegroup-obmc-phosphor-debugtools.bb
index a1ac064..20d8ab8 100644
--- a/meta-phosphor/common/recipes-phosphor/packagegroups/packagegroup-obmc-phosphor-debugtools.bb
+++ b/meta-phosphor/common/recipes-phosphor/packagegroups/packagegroup-obmc-phosphor-debugtools.bb
@@ -6,4 +6,5 @@
 
 RDEPENDS_${PN} = " \
     strace \
+    ldd \
     "