defconfig: enable phytmac for deepin_arm64_desktop_defconfig

As f837b44 introduce ethernet driver phytmac for D3000 (torvalds#222),
enable config CONFIG_PHYTMAC{,_PLATFORM,PCI}=m.

Author: opsiff

arch/arm64/configs/deepin_arm64_desktop_defconfig

@@ -1464,6 +1464,9 @@ CONFIG_TXGBE=m
 CONFIG_WIZNET_W5100=m
 CONFIG_WIZNET_W5300=m
 CONFIG_WIZNET_BUS_DIRECT=y
+CONFIG_PHYTMAC=m
+CONFIG_PHYTMAC_PLATFORM=m
+CONFIG_PHYTMAC_PCI=m
 CONFIG_FDDI=m
 CONFIG_DEFXX=m
 CONFIG_SKFP=m