phy: broadcom: brcm-sata: drop unused module alias

The driver has never supported anything but OF probe so drop the unused
platform module alias.

Signed-off-by: Johan Hovold <[e-mail]>
Reviewed-by: Neil Armstrong <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Vinod Koul <[e-mail]>

drivers/phy/broadcom/phy-brcm-sata.c

···
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Marc Carino");
 MODULE_AUTHOR("Brian Norris");
-MODULE_ALIAS("platform:phy-brcm-sata");