self-hosted: Add libssp libraries to packagegroup/image

These libraries are needed to ensure when the -fstack-protector flags are used the compile will complete and not fail due to missing libraries

[YOCTO #4586]

---
 meta/recipes-core/packagegroups/packagegroup-self-hosted.bb |    3 +++
 1 file changed, 3 insertions(+)

index 6dcc44a..ed73617 100644
@@ -75,6 +75,9 @@ RDEPENDS_packagegroup-self-hosted-sdk = "\
     intltool \
     ldd \
     less \
+    libssp \
+    libssp-dev \
+    libssp-staticdev \
     libstdc++ \
     libstdc++-dev \
     libtool \

1.7.10.4