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/pinctrl/mediatek/pinctrl-mtk-common.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
index ede3959..2c373c7 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
+++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
@@ -671,7 +671,7 @@
 };
 
 #if CONFIG_IS_ENABLED(DM_GPIO) || \
-    (defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_GPIO))
+    (defined(CONFIG_XPL_BUILD) && defined(CONFIG_SPL_GPIO))
 static int mtk_gpio_get(struct udevice *dev, unsigned int off)
 {
 	int val, err;
@@ -814,7 +814,7 @@
 	}
 
 #if CONFIG_IS_ENABLED(DM_GPIO) || \
-    (defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_GPIO))
+    (defined(CONFIG_XPL_BUILD) && defined(CONFIG_SPL_GPIO))
 	ret = mtk_gpiochip_register(dev);
 #endif
 
diff --git a/drivers/pinctrl/pinctrl_stm32.c b/drivers/pinctrl/pinctrl_stm32.c
index eada100..fbf0271 100644
--- a/drivers/pinctrl/pinctrl_stm32.c
+++ b/drivers/pinctrl/pinctrl_stm32.c
@@ -39,7 +39,7 @@
 	struct list_head list;
 };
 
-#ifndef CONFIG_SPL_BUILD
+#ifndef CONFIG_XPL_BUILD
 
 static char pin_name[PINNAME_SIZE];
 static const char * const pinmux_mode[GPIOF_COUNT] = {
@@ -488,7 +488,7 @@
 #else /* PINCTRL_FULL */
 	.set_state_simple	= stm32_pinctrl_set_state_simple,
 #endif /* PINCTRL_FULL */
-#ifndef CONFIG_SPL_BUILD
+#ifndef CONFIG_XPL_BUILD
 	.get_pin_name		= stm32_pinctrl_get_pin_name,
 	.get_pins_count		= stm32_pinctrl_get_pins_count,
 	.get_pin_muxing		= stm32_pinctrl_get_pin_muxing,
diff --git a/drivers/pinctrl/tegra/Makefile b/drivers/pinctrl/tegra/Makefile
index 75d3cab..b1dda41 100644
--- a/drivers/pinctrl/tegra/Makefile
+++ b/drivers/pinctrl/tegra/Makefile
@@ -1,5 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0
-ifndef CONFIG_SPL_BUILD
+ifndef CONFIG_XPL_BUILD
 ifdef CONFIG_TEGRA20
 obj-y += pinctrl-tegra20.o
 else
diff --git a/drivers/pinctrl/uniphier/pinctrl-uniphier.h b/drivers/pinctrl/uniphier/pinctrl-uniphier.h
index 5951835..da7bb4f 100644
--- a/drivers/pinctrl/uniphier/pinctrl-uniphier.h
+++ b/drivers/pinctrl/uniphier/pinctrl-uniphier.h
@@ -126,7 +126,7 @@
 
 #define __UNIPHIER_PINMUX_FUNCTION(func)	#func
 
-#ifdef CONFIG_SPL_BUILD
+#ifdef CONFIG_XPL_BUILD
 	/*
 	 * a tricky way to drop unneeded *_pins and *_muxvals arrays from SPL,
 	 * suppressing "defined but not used" warnings.