Correct SPL uses of DWC_ETH_QOS

This converts 3 usages of this option to the non-SPL form, since there is
no SPL_DWC_ETH_QOS defined in Kconfig

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/board/engicam/imx8mp/icore_mx8mp.c b/board/engicam/imx8mp/icore_mx8mp.c
index b309a12..f0096a2 100644
--- a/board/engicam/imx8mp/icore_mx8mp.c
+++ b/board/engicam/imx8mp/icore_mx8mp.c
@@ -61,7 +61,7 @@
 	if (CONFIG_IS_ENABLED(FEC_MXC))
 		setup_fec();
 
-	if (CONFIG_IS_ENABLED(DWC_ETH_QOS))
+	if (IS_ENABLED(CONFIG_DWC_ETH_QOS))
 		setup_eqos();
 
 	return 0;
diff --git a/board/freescale/imx8mp_evk/imx8mp_evk.c b/board/freescale/imx8mp_evk/imx8mp_evk.c
index 8971a82..c769267 100644
--- a/board/freescale/imx8mp_evk/imx8mp_evk.c
+++ b/board/freescale/imx8mp_evk/imx8mp_evk.c
@@ -59,7 +59,7 @@
 		setup_fec();
 	}
 
-	if (CONFIG_IS_ENABLED(DWC_ETH_QOS)) {
+	if (IS_ENABLED(CONFIG_DWC_ETH_QOS)) {
 		ret = setup_eqos();
 	}
 
diff --git a/board/freescale/imx93_evk/imx93_evk.c b/board/freescale/imx93_evk/imx93_evk.c
index 182ae5f..e01b2f5 100644
--- a/board/freescale/imx93_evk/imx93_evk.c
+++ b/board/freescale/imx93_evk/imx93_evk.c
@@ -69,7 +69,7 @@
 	if (CONFIG_IS_ENABLED(FEC_MXC))
 		setup_fec();
 
-	if (CONFIG_IS_ENABLED(DWC_ETH_QOS))
+	if (IS_ENABLED(CONFIG_DWC_ETH_QOS))
 		setup_eqos();
 
 	return 0;