replace CONFIG_PRELOADER with CONFIG_SPL_BUILD

replace all occurences of CONFIG_PRELOADER with CONFIG_SPL_BUILD

Signed-off-by: Aneesh V <aneesh@ti.com>
diff --git a/arch/arm/cpu/armv7/start.S b/arch/arm/cpu/armv7/start.S
index eee648b..5c87e9c 100644
--- a/arch/arm/cpu/armv7/start.S
+++ b/arch/arm/cpu/armv7/start.S
@@ -182,7 +182,7 @@
 	mov	sp, r4
 
 	adr	r0, _start
-#ifndef CONFIG_PRELOADER
+#ifndef CONFIG_SPL_BUILD
 	cmp	r0, r6
 	beq	clear_bss		/* skip relocation */
 #endif
@@ -196,7 +196,7 @@
 	cmp	r0, r2			/* until source end address [r2]    */
 	blo	copy_loop
 
-#ifndef CONFIG_PRELOADER
+#ifndef CONFIG_SPL_BUILD
 	/*
 	 * fix .rel.dyn relocations
 	 */
@@ -248,7 +248,7 @@
 	add	r0, r0, #4
 	cmp	r0, r1
 	bne	clbss_l
-#endif	/* #ifndef CONFIG_PRELOADER */
+#endif	/* #ifndef CONFIG_SPL_BUILD */
 
 /*
  * We are done. Do not return, instead branch to second part of board