wl12xx: fix module author's email address in the spi and sdio modules

The MODULE_AUTHOR() macro in the main module (wl12xx) has been updated
to reflect one of the author's new email address, but the wl12xx_spi
and wl12xx_sdio modules haven't been updated.  This patches updates
them.

Signed-off-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>