[PATCH v2 10/41] dm: core: Add tests for stringlist functions

[Simon Glass]

These functions currently lack tests so add some. The error handling
differs betwee livetree and flattree at present, so only check the error
codes with livetree.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

(no changes since v1)

 arch/sandbox/dts/test.dts |  1 +
 test/dm/ofnode.c          | 76 +++++++++++++++++++++++++++++++++++++++
 2 files changed, 77 insertions(+)

Applied to u-boot-dm/next, thanks!