uio: uio_fsl_elbc_gpcm: Remove owner assignment from platform_driver

Structure platform_driver does not need to set the owner field, as this
will be populated by the driver core.

Generated by scripts/coccinelle/api/platform_no_drv_owner.cocci.

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>