phy: add support for bcm6318 usbh phy

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
diff --git a/drivers/phy/Makefile b/drivers/phy/Makefile
index d823985..68087ae 100644
--- a/drivers/phy/Makefile
+++ b/drivers/phy/Makefile
@@ -7,6 +7,7 @@
 
 obj-$(CONFIG_$(SPL_)PHY) += phy-uclass.o
 obj-$(CONFIG_$(SPL_)NOP_PHY) += nop-phy.o
+obj-$(CONFIG_BCM6318_USBH_PHY) += bcm6318-usbh-phy.o
 obj-$(CONFIG_BCM6348_USBH_PHY) += bcm6348-usbh-phy.o
 obj-$(CONFIG_BCM6358_USBH_PHY) += bcm6358-usbh-phy.o
 obj-$(CONFIG_BCM6368_USBH_PHY) += bcm6368-usbh-phy.o