Documentation: devicetree: Add new compatible string for eeprom microchip 93LC46B

Add a new compatible string for eeprom microchip 93LC46B in eeprom-93xx46
dt-binding file as it belongs to the 93xx46 family of devices.

Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
Link: https://lore.kernel.org/r/20210105105817.17644-2-a-govindraju@ti.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>