drivers: ethernet: stm32: Split v1 and v2 code

Split V1 and V2 code from the common file of STM32 ethernet
driver.
Whenever it is possible, make use of v1 or v2 version of functions
that are call from the common file in order to maximize factorization.

Review definitions to put them where they are used.
Review header inclusions to minimize them.

Signed-off-by: Erwan Gouriou <[email protected]>

Author: erwango

drivers/ethernet/CMakeLists.txt

@@ -54,6 +54,8 @@ endif()
 
 if(CONFIG_ETH_STM32_HAL)
   zephyr_library_sources(eth_stm32_hal_common.c)
+  zephyr_library_sources_ifdef(CONFIG_ETH_STM32_HAL_API_V1	eth_stm32_hal_v1.c)
+  zephyr_library_sources_ifdef(CONFIG_ETH_STM32_HAL_API_V2	eth_stm32_hal_v2.c)
   zephyr_library_sources_ifdef(CONFIG_PTP_CLOCK_STM32_HAL	eth_stm32_hal_ptp.c)
 endif()