feat: Configure valve logging via Kconfig
This commit adds a Kconfig option to control the log level of the valve library.
- : Added the new Kconfig option.
- : Updated to use and adjusted log levels for debug messages.
- : Enabled debug logging for the valve library by setting .
refactor: Adjust k-vcc calibration value for VND7050AJ
Updated the calibration value in from 4139 to 3816 for the VND7050AJ driver.
Signed-off-by: Eduard Iten <eduard@iten.pro>