bbdbg: Set source directory location

This allows gdb to resolve source lines by installation of source IPKs.

Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Change-Id: I3e5bab6ff6fb97ec2a74ac67f6f4ccfb8a6a2cbe
diff --git a/bbdbg/bbdbg b/bbdbg/bbdbg
index 601ed74..a94af91 100755
--- a/bbdbg/bbdbg
+++ b/bbdbg/bbdbg
@@ -49,6 +49,7 @@
 gdb-multiarch -q \
   -iex "set solib-absolute-prefix $BBDBG_ROOT" \
   -iex "add-auto-load-safe-path $BBDBG_ROOT" \
+  -iex "set directories $BBDBG_ROOT" \
   ${BBDBG_ROOT}${BBDBG_FILE} \
   $([ '-' = "${BBDBG_CORE}" ] || echo ${BBDBG_CORE})
 set +x