armv8: layerscape: skip OCRAM init for TFABOOT

OCRAM initialization is performed by TFA, Hence
skipped from u-boot.

Signed-off-by: Ruchika Gupta <ruchika.gupta@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S b/arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S
index 11b5fb2..cbc9112 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S
+++ b/arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S
@@ -304,7 +304,8 @@
 100:
 #endif
 
-#if defined(CONFIG_FSL_LSCH2) && !defined(CONFIG_SPL_BUILD)
+#if !defined(CONFIG_TFABOOT) && \
+	(defined(CONFIG_FSL_LSCH2) && !defined(CONFIG_SPL_BUILD))
 	bl	fsl_ocram_init
 #endif