Add Romulus GPIO JSON

These GPIOs are used by the code in the skeleton repo.

(From meta-ibm rev: 55b2003b3e07c7d45f94409eaf636f0335571152)

Change-Id: I88f44342a587b8dccaa845bff59c35e1414d1358
Signed-off-by: Matt Spinler <spinler@us.ibm.com>
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/meta-ibm/meta-romulus/recipes-phosphor/skeleton/obmc-libobmc-intf.bbappend b/meta-ibm/meta-romulus/recipes-phosphor/skeleton/obmc-libobmc-intf.bbappend
new file mode 100644
index 0000000..72d991c
--- /dev/null
+++ b/meta-ibm/meta-romulus/recipes-phosphor/skeleton/obmc-libobmc-intf.bbappend
@@ -0,0 +1 @@
+FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"