arm64: defconfig: Enable PHY devices used on QorIQ boards

Enables various PHY device drivers and PHY MUX drivers used on QorIQ
reference boards supported in mainline kernel.

Enabled as built-in to boot from network without an initramfs.
Signed-off-by: Li Yang <leoyang.li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/configs/defconfig

@@ -307,13 +307,17 @@ CONFIG_SNI_AVE=y
 CONFIG_SNI_NETSEC=y
 CONFIG_STMMAC_ETH=m
 CONFIG_MDIO_BUS_MUX_MMIOREG=y
+CONFIG_MDIO_BUS_MUX_MULTIPLEXER=y
+CONFIG_AQUANTIA_PHY=y
 CONFIG_MARVELL_PHY=m
 CONFIG_MARVELL_10G_PHY=m
 CONFIG_MESON_GXL_PHY=m
 CONFIG_MICREL_PHY=y
+CONFIG_MICROSEMI_PHY=y
 CONFIG_AT803X_PHY=y
 CONFIG_REALTEK_PHY=m
 CONFIG_ROCKCHIP_PHY=y
+CONFIG_VITESSE_PHY=y
 CONFIG_USB_PEGASUS=m
 CONFIG_USB_RTL8150=m
 CONFIG_USB_RTL8152=m
@@ -884,6 +888,7 @@ CONFIG_FPGA_REGION=m
 CONFIG_OF_FPGA_REGION=m
 CONFIG_TEE=y
 CONFIG_OPTEE=y
+CONFIG_MUX_MMIO=y
 CONFIG_EXT2_FS=y
 CONFIG_EXT3_FS=y
 CONFIG_EXT4_FS_POSIX_ACL=y