misc: eeprom_93xx46: Enable module autoprobe for microchip 93LC46B eeprom

commit dacb0e07c82d57bff865bd9834f270a8d2579501 from
git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git

Add module alias to enable autoprobe for microchip 93LC46B eeprom by using
/sys/class/.../spi1.0/modalias content.

Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Signed-off-by: Xulin Sun <xulin.sun@windriver.com>