bnxt_en: Add Support for ETHTOOL_GMODULEINFO and ETHTOOL_GMODULEEEPRO

bnxt_en: Add Support for ETHTOOL_GMODULEINFO and ETHTOOL_GMODULEEEPRO

Orabug: 23221795

Add support to fetch the SFP EEPROM settings from the firmware
and display it via the ethtool -m command.  We support SFP+ and QSFP
modules.

v2: Fixed a bug in bnxt_get_module_eeprom() found by Ben Hutchings.

Signed-off-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
(cherry picked from commit 42ee18fe4ca2a12b8370bb1c53fa6b9f9300c70c)
Signed-off-by: Brian Maly <brian.maly@oracle.com>