drivers: ethernet: stm32: remove internal phy code

rewirte code and remove code that use internal phy functions.
A few Kconfig options got removed, that are now set by the
phy via the DT.

Signed-off-by: Fin Maaß <f.maass@vogl-electronic.com>

Author: maass-hamburg

boards/st/stm32h745i_disco/Kconfig.defconfig

@@ -11,10 +11,6 @@ if NETWORKING
 config NET_L2_ETHERNET
 	default y
 
-# STM32H745I-DISCO have PHY connected to address 1
-config ETH_STM32_HAL_PHY_ADDRESS
-	default 1
-
 endif # NETWORKING
 
 config MEMC

drivers/ethernet/Kconfig.stm32_hal

@@ -74,34 +74,6 @@ config ETH_STM32_HAL_USE_DTCM_FOR_DMA_BUFFER
 	  When this option is activated, the buffers for DMA transfer are
 	  moved from SRAM to the DTCM (Data Tightly Coupled Memory).
 
-config ETH_STM32_HAL_PHY_ADDRESS
-	int "Phy address"
-	default 0
-	help
-	  The phy address to use.
-
-config ETH_STM32_CARRIER_CHECK
-	bool "Check PHY carrier periodically"
-	default y
-	help
-	  Enables or disables checking of the PHY's carrier status.
-	  See also CONFIG_ETH_STM32_CARRIER_CHECK_RX_IDLE_TIMEOUT_MS
-
-config ETH_STM32_CARRIER_CHECK_RX_IDLE_TIMEOUT_MS
-	int "Carrier check timeout period (ms)"
-	depends on ETH_STM32_CARRIER_CHECK
-	default 500
-	range 100 30000
-	help
-	  Set the RX idle timeout period in milliseconds after which the
-	  PHY's carrier status is re-evaluated.
-
-config ETH_STM32_AUTO_NEGOTIATION_ENABLE
-	bool "Autonegotiation mode"
-	default y
-	help
-	  Enable this if using autonegotiation
-
 config ETH_STM32_HW_CHECKSUM
 	bool "Use TX and RX hardware checksum"
 	depends on !SOC_SERIES_STM32H5X
@@ -110,22 +82,6 @@ config ETH_STM32_HW_CHECKSUM
 	  performances.
 	  See reference manual for more information on this feature.
 
-if !ETH_STM32_AUTO_NEGOTIATION_ENABLE
-
-config ETH_STM32_SPEED_10M
-	bool "Set speed to 10 Mbps when autonegotiation is disabled"
-	help
-	  Set this if using 10 Mbps and when autonegotiation is disabled, otherwise speed
-	  is 100 Mbps
-
-config ETH_STM32_MODE_HALFDUPLEX
-	bool "Half duplex mode"
-	help
-	  Set this if using half duplex when autonegotiation is disabled otherwise
-	  duplex mode is full duplex
-
-endif # !ETH_STM32_AUTO_NEGOTIATION_ENABLE
-
 if SOC_SERIES_STM32F7X || SOC_SERIES_STM32H7X || SOC_SERIES_STM32H5X
 
 config PTP_CLOCK_STM32_HAL