platform: mellanox: Fix misspelling error in routine name

Change mlxplat_i2c_main_complition_notify() to
mlxplat_i2c_main_completion_notify().

Signed-off-by: Vadim Pasternak <vadimp@nvidia.com>
Link: https://lore.kernel.org/r/20231005075616.42777-3-vadimp@nvidia.com


Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>