xpl: Rename spl_phase() to xpl_phase()

Rename this function to indicate that it refers to any xPL phase.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/x86/cpu/apollolake/cpu_spl.c b/arch/x86/cpu/apollolake/cpu_spl.c
index 8798fa7..8198667 100644
--- a/arch/x86/cpu/apollolake/cpu_spl.c
+++ b/arch/x86/cpu/apollolake/cpu_spl.c
@@ -184,9 +184,9 @@
 {
 	int ret = 0;
 
-	if (spl_phase() == PHASE_TPL)
+	if (xpl_phase() == PHASE_TPL)
 		ret = arch_cpu_init_tpl();
-	else if (spl_phase() == PHASE_SPL)
+	else if (xpl_phase() == PHASE_SPL)
 		ret = arch_cpu_init_spl();
 	if (ret)
 		printf("%s: Error %d\n", __func__, ret);
diff --git a/arch/x86/cpu/apollolake/hostbridge.c b/arch/x86/cpu/apollolake/hostbridge.c
index 9ee3622..039236d 100644
--- a/arch/x86/cpu/apollolake/hostbridge.c
+++ b/arch/x86/cpu/apollolake/hostbridge.c
@@ -255,7 +255,7 @@
 
 static int apl_hostbridge_probe(struct udevice *dev)
 {
-	if (spl_phase() == PHASE_TPL)
+	if (xpl_phase() == PHASE_TPL)
 		return apl_hostbridge_early_init(dev);
 
 	return 0;
diff --git a/arch/x86/cpu/apollolake/lpc.c b/arch/x86/cpu/apollolake/lpc.c
index 531ff1c..f34c199 100644
--- a/arch/x86/cpu/apollolake/lpc.c
+++ b/arch/x86/cpu/apollolake/lpc.c
@@ -80,7 +80,7 @@
 
 		lgir_reg_num = find_unused_pmio_window();
 		if (lgir_reg_num < 0) {
-			if (spl_phase() > PHASE_TPL) {
+			if (xpl_phase() > PHASE_TPL) {
 				log_err("LPC: Cannot open IO window: %lx size %lx\n",
 					bridge_base, size - bridged_size);
 				log_err("No more IO windows\n");
diff --git a/arch/x86/cpu/apollolake/pch.c b/arch/x86/cpu/apollolake/pch.c
index 3219031..07ef26f 100644
--- a/arch/x86/cpu/apollolake/pch.c
+++ b/arch/x86/cpu/apollolake/pch.c
@@ -12,7 +12,7 @@
 
 static int apl_set_spi_protect(struct udevice *dev, bool protect)
 {
-	if (spl_phase() == PHASE_SPL)
+	if (xpl_phase() == PHASE_SPL)
 		return lpc_set_spi_protect(dev, BIOS_CTRL, protect);
 
 	return 0;
diff --git a/arch/x86/cpu/apollolake/pmc.c b/arch/x86/cpu/apollolake/pmc.c
index 32fd034..bfb8a07 100644
--- a/arch/x86/cpu/apollolake/pmc.c
+++ b/arch/x86/cpu/apollolake/pmc.c
@@ -115,7 +115,7 @@
 				 ARRAY_SIZE(base));
 	if (ret)
 		return log_msg_ret("Missing/short early-regs", ret);
-	if (spl_phase() == PHASE_TPL) {
+	if (xpl_phase() == PHASE_TPL) {
 		upriv->pmc_bar0 = (void *)base[0];
 		upriv->pmc_bar2 = (void *)base[2];
 
@@ -186,7 +186,7 @@
 
 static int apl_pmc_probe(struct udevice *dev)
 {
-	if (spl_phase() == PHASE_TPL) {
+	if (xpl_phase() == PHASE_TPL) {
 		return enable_pmcbar(dev);
 	} else {
 		struct acpi_pmc_upriv *upriv = dev_get_uclass_priv(dev);
diff --git a/arch/x86/cpu/apollolake/punit.c b/arch/x86/cpu/apollolake/punit.c
index b1503c2..9c708e9 100644
--- a/arch/x86/cpu/apollolake/punit.c
+++ b/arch/x86/cpu/apollolake/punit.c
@@ -77,7 +77,7 @@
 
 static int apl_punit_probe(struct udevice *dev)
 {
-	if (spl_phase() == PHASE_SPL)
+	if (xpl_phase() == PHASE_SPL)
 		return punit_init(dev);
 
 	return 0;
diff --git a/arch/x86/cpu/apollolake/spl.c b/arch/x86/cpu/apollolake/spl.c
index b351d73..510f8c4 100644
--- a/arch/x86/cpu/apollolake/spl.c
+++ b/arch/x86/cpu/apollolake/spl.c
@@ -116,7 +116,7 @@
 		return ret;
 
 	spl_image->size = CONFIG_SYS_MONITOR_LEN;  /* We don't know SPL size */
-	spl_image->entry_point = spl_phase() == PHASE_TPL ?
+	spl_image->entry_point = xpl_phase() == PHASE_TPL ?
 		CONFIG_SPL_TEXT_BASE : CONFIG_TEXT_BASE;
 	spl_image->load_addr = spl_image->entry_point;
 	spl_image->os = IH_OS_U_BOOT;