xilinx: common: Fix MAC address read from EEPROM

The upper-to-lowercase character conversion now avoids altering the
MAC address field. In the previous version, this alteration corrupted
the MAC address.

Signed-off-by: Petr Zejdl <petr.zejdl@cern.ch>
Link: https://lore.kernel.org/r/20240404114422.2905194-1-petr.zejdl@cern.ch
Signed-off-by: Michal Simek <michal.simek@amd.com>
1 file changed