net: ethernet: stmmac: dwmac-sti: remove stih415/stih416/stid127

Remove no more supported platforms (stih415/stih416 and stid127)

Signed-off-by: Alain Volmat <avolmat@me.com>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Link: https://lore.kernel.org/r/20230416195523.61075-1-avolmat@me.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>