arm64: defconfig: Enable Marvell 88Q2XXX PHY support

Enable support for Marvell 88Q2XXX 100/1000BASE-T1 Automotive Ethernet
PHYs, as found on the Spider, S4 Starter Kit, and White-Hawk development
boards.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Link: https://lore.kernel.org/r/c5dcf03facd05e8b9c5ac89b2b81b005b141f086.1716998320.git.geert+renesas@glider.be

arch/arm64/configs/defconfig

@@ -377,6 +377,7 @@ CONFIG_AQUANTIA_PHY=y
 CONFIG_BCM54140_PHY=m
 CONFIG_MARVELL_PHY=m
 CONFIG_MARVELL_10G_PHY=y
+CONFIG_MARVELL_88Q2XXX_PHY=y
 CONFIG_MICREL_PHY=y
 CONFIG_MICROSEMI_PHY=y
 CONFIG_AT803X_PHY=y