drivers: Use CONFIG_XPL_BUILD instead of CONFIG_SPL_BUILD

Use the new symbol to refer to any 'SPL' build, including TPL and VPL

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/net/dwc_eth_xgmac_socfpga.c b/drivers/net/dwc_eth_xgmac_socfpga.c
index 270c1b0..87fb7e8 100644
--- a/drivers/net/dwc_eth_xgmac_socfpga.c
+++ b/drivers/net/dwc_eth_xgmac_socfpga.c
@@ -37,7 +37,7 @@
 	u32 modemask = SYSMGR_EMACGRP_CTRL_PHYSEL_MASK <<
 		       xgmac->syscon_phy_regshift;
 
-	if (!(IS_ENABLED(CONFIG_SPL_BUILD)) && IS_ENABLED(CONFIG_SPL_ATF)) {
+	if (!(IS_ENABLED(CONFIG_XPL_BUILD)) && IS_ENABLED(CONFIG_SPL_ATF)) {
 		u32 index = ((u64)xgmac->syscon_phy - socfpga_get_sysmgr_addr() -
 			     SYSMGR_SOC64_EMAC0) >> 2;
 
diff --git a/drivers/net/dwmac_socfpga.c b/drivers/net/dwmac_socfpga.c
index bba3fc4..a9e2d8c 100644
--- a/drivers/net/dwmac_socfpga.c
+++ b/drivers/net/dwmac_socfpga.c
@@ -68,7 +68,7 @@
 	struct dwmac_socfpga_plat *pdata = dev_get_plat(dev);
 	u32 modemask = SYSMGR_EMACGRP_CTRL_PHYSEL_MASK << pdata->reg_shift;
 
-#if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_ATF)
+#if !defined(CONFIG_XPL_BUILD) && defined(CONFIG_SPL_ATF)
 	u32 index = ((u64)pdata->phy_intf - socfpga_get_sysmgr_addr() -
 		     SYSMGR_SOC64_EMAC0) >> 2;