[U-Boot] [PATCH v2 5/5] dm: serial: Tidy up header file comments

[sjg at google.com]

The getconfig() comment is out of date. Fix this and add comments for
recently added functions.

Signed-off-by: Simon Glass <sjg at chromium.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko at gmail.com>
---

Changes in v2:
- Fix @return comment on getinfo() method

 include/serial.h | 34 +++++++++++++++++++++++++++++++---
 1 file changed, 31 insertions(+), 3 deletions(-)

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