hwmon: (pmbus/acbel-fsg032) Add firmware version debugfs attribute

Like the IBM CFFPS driver, export the PSU's firmware version to a
debugfs attribute as reported in the manufacturer register.

Signed-off-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/20230628153453.122213-1-eajames@linux.ibm.com
[groeck: Dropped unused variable; changed buffer from char to u8]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Eddie James 2023-06-28 10:34:53 -05:00 • committed by Guenter Roeck
commit c15a8edd63