net: dwc_eth_qos: Rename eqos_stm32_config to eqos_stm32mp15_config

The current glue code is specific to STM32MP15xx, the upcoming STM32MP13xx
will introduce another entry specific to the STM32MP13xx. Rename the current
entry to eqos_stm32mp15_config in preparation for STM32MP13xx addition. No
functional change.

Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
Signed-off-by: Marek Vasut <marex@denx.de>
Reviewed-by: Christophe ROULLIER <christophe.roullier@foss.st.com>
diff --git a/drivers/net/dwc_eth_qos.c b/drivers/net/dwc_eth_qos.c
index aa4f815..8d106ec 100644
--- a/drivers/net/dwc_eth_qos.c
+++ b/drivers/net/dwc_eth_qos.c
@@ -1507,7 +1507,7 @@
 #if IS_ENABLED(CONFIG_DWC_ETH_QOS_STM32)
 	{
 		.compatible = "st,stm32mp1-dwmac",
-		.data = (ulong)&eqos_stm32_config
+		.data = (ulong)&eqos_stm32mp15_config
 	},
 #endif
 #if IS_ENABLED(CONFIG_DWC_ETH_QOS_IMX)