ramips: mt76x8: disable ICPlus PHY driver

The initial mt76x8 kernel config file was inherited from mt7620
sub-target. However, This SoC series doesn't support any external
PHY. We can disable CONFIG_ICPLUS_PHY symbol to reduce kernel size.

Signed-off-by: Shiji Yang <yangshiji66@outlook.com>
Link: openwrt#22519
Signed-off-by: Robert Marko <robimarko@gmail.com>

Author: DragonBluep

target/linux/ramips/mt76x8/config-6.12

@@ -89,7 +89,6 @@ CONFIG_HAS_IOMEM=y
 CONFIG_HAS_IOPORT=y
 CONFIG_HAS_IOPORT_MAP=y
 CONFIG_HZ_PERIODIC=y
-CONFIG_ICPLUS_PHY=y
 CONFIG_INITRAMFS_SOURCE=""
 CONFIG_IRQCHIP=y
 CONFIG_IRQ_DOMAIN=y