net: dsa: microchip: enable module autoprobe

net: dsa: microchip: enable module autoprobe

This matches /sys/devices/.../spi1.0/modalias content.

Fixes: 81e55a03af61 ("net: dsa: microchip: add ksz9567 to ksz9477 driver")
Fixes: 2a0ad63af1ae ("net: dsa: microchip: add KSZ8563 compatibility string")
Fixes: 1d79e44e4778 ("net: dsa: microchip: add KSZ9893 switch support")
Fixes: e5612f6e02d4 ("net: dsa: add support for ksz9897 ethernet switch")
Fixes: 651fe1942f44 ("dsa: add DSA switch driver for Microchip KSZ9477")
Signed-off-by: Razvan Stefanescu <razvan.stefanescu@microchip.com>
Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>