[PATCH 07/21] dm: core: Update comment for ofnode_get_chosen_node()

[sjg at google.com]

The current comment is a big vague and misleading. Rewrite it to state
precisely what the function does.

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

 include/dm/ofnode.h | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

Applied to u-boot-dm, thanks!