Convert the RTL931x I/O path to the new bulk write pattern. For this
- Enhance the rtmdio_931x_run_cmd() helper to take care of all register
access and error handling.
- Convert the c22/c45/read/write functions so that they only prepare
the I/O data without any register access.
Signed-off-by: Markus Stockhausen <markus.stockhausen@gmx.de>
Link: https://github.com/openwrt/openwrt/pull/23092
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>