[PATCH v2 12/41] dm: core: Fix up string-function documentation

[Simon Glass]

The details for of_property_read_string_helper() and
ofnode_read_string_index() are a little inaccurate. Fix up the comments to
avoid confusion.

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

(no changes since v1)

 drivers/core/of_access.c | 3 ++-
 include/dm/ofnode.h      | 4 ++--
 2 files changed, 4 insertions(+), 3 deletions(-)

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