arch: 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/arch/powerpc/cpu/mpc8xxx/fsl_pamu.c b/arch/powerpc/cpu/mpc8xxx/fsl_pamu.c
index 3a82e60..638c3a6 100644
--- a/arch/powerpc/cpu/mpc8xxx/fsl_pamu.c
+++ b/arch/powerpc/cpu/mpc8xxx/fsl_pamu.c
@@ -241,7 +241,7 @@
 	spaact_size = sizeof(struct paace) * NUM_SPAACT_ENTRIES;
 
 	/* Allocate space for Primary PAACT Table */
-#if (defined(CONFIG_SPL_BUILD) && defined(CFG_SPL_PPAACT_ADDR))
+#if (defined(CONFIG_XPL_BUILD) && defined(CFG_SPL_PPAACT_ADDR))
 	ppaact = (void *)CFG_SPL_PPAACT_ADDR;
 #else
 	ppaact = memalign(PAMU_TABLE_ALIGNMENT, ppaact_size);
@@ -251,7 +251,7 @@
 	memset(ppaact, 0, ppaact_size);
 
 	/* Allocate space for Secondary PAACT Table */
-#if (defined(CONFIG_SPL_BUILD) && defined(CFG_SPL_SPAACT_ADDR))
+#if (defined(CONFIG_XPL_BUILD) && defined(CFG_SPL_SPAACT_ADDR))
 	sec = (void *)CFG_SPL_SPAACT_ADDR;
 #else
 	sec = memalign(PAMU_TABLE_ALIGNMENT, spaact_size);