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/spi/designware_spi.c b/drivers/spi/designware_spi.c
index 6bd48b1..b520c72 100644
--- a/drivers/spi/designware_spi.c
+++ b/drivers/spi/designware_spi.c
@@ -219,7 +219,7 @@
 
 static int request_gpio_cs(struct udevice *bus)
 {
-#if CONFIG_IS_ENABLED(DM_GPIO) && !defined(CONFIG_SPL_BUILD)
+#if CONFIG_IS_ENABLED(DM_GPIO) && !defined(CONFIG_XPL_BUILD)
 	struct dw_spi_priv *priv = dev_get_priv(bus);
 	int ret;
 
@@ -482,7 +482,7 @@
  */
 __weak void external_cs_manage(struct udevice *dev, bool on)
 {
-#if CONFIG_IS_ENABLED(DM_GPIO) && !defined(CONFIG_SPL_BUILD)
+#if CONFIG_IS_ENABLED(DM_GPIO) && !defined(CONFIG_XPL_BUILD)
 	struct dw_spi_priv *priv = dev_get_priv(dev->parent);
 
 	if (!dm_gpio_is_valid(&priv->cs_gpio))
diff --git a/drivers/spi/rockchip_sfc.c b/drivers/spi/rockchip_sfc.c
index 596c22a..43aefc2 100644
--- a/drivers/spi/rockchip_sfc.c
+++ b/drivers/spi/rockchip_sfc.c
@@ -229,7 +229,7 @@
 	sfc->regbase = dev_read_addr_ptr(bus);
 	sfc->use_dma = !dev_read_bool(bus, "rockchip,sfc-no-dma");
 
-	if (IS_ENABLED(CONFIG_SPL_BUILD) && sfc->use_dma)
+	if (IS_ENABLED(CONFIG_XPL_BUILD) && sfc->use_dma)
 		sfc->use_dma = !dev_read_bool(bus, "u-boot,spl-sfc-no-dma");
 
 #if CONFIG_IS_ENABLED(CLK)