drm/amd/smu: unify pptable_func{} callback interface

the pptable_func callback sets should be has unify interface,
so use "smu" as the pptable_func interface first parameter.

fix interfaces:
1. i2c_eeprom_init
2. i2c_eeprom_fini

Signed-off-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>