Add support for the Texas Instruments BQ32000 I2C real-time clock chip.
Tested on a custom board based on Hi-Link HLK-7628N.
Signed-off-by: Ondrej Kolar <ondrej@kolarovo.cz>
Link: https://github.com/openwrt/openwrt/pull/19764
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>