board: vexpress64: enable bloblist for SPL handoff

Enable bloblist on vexpress64 platforms to facilitate information
passing from TF-A using the firmware handoff framework.

Signed-off-by: Harrison Mutai <harrison.mutai@arm.com>
diff --git a/board/armltd/vexpress64/Kconfig b/board/armltd/vexpress64/Kconfig
index 584b545..7e87094 100644
--- a/board/armltd/vexpress64/Kconfig
+++ b/board/armltd/vexpress64/Kconfig
@@ -28,7 +28,7 @@
 config TARGET_VEXPRESS64_BASE_FVP
 	bool "Support Versatile Express ARMv8a FVP BASE model"
 	select VEXPRESS64_BASE_MODEL
-	imply OF_HAS_PRIOR_STAGE
+	imply OF_HAS_PRIOR_STAGE if !BLOBLIST
 
 config TARGET_VEXPRESS64_BASER_FVP
 	bool "Support Versatile Express ARMv8r64 FVP BASE model"
diff --git a/board/armltd/vexpress64/Makefile b/board/armltd/vexpress64/Makefile
index 1878fbe..b0dd1d0 100644
--- a/board/armltd/vexpress64/Makefile
+++ b/board/armltd/vexpress64/Makefile
@@ -3,5 +3,8 @@
 # (C) Copyright 2000-2004
 # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 
-obj-y	:= vexpress64.o lowlevel_init.o
+obj-y	:= vexpress64.o
+
+obj-$(CONFIG_OF_HAS_PRIOR_STAGE)	+= lowlevel_init.o
+
 obj-$(CONFIG_TARGET_VEXPRESS64_JUNO)	+= pcie.o
diff --git a/board/armltd/vexpress64/vexpress64.c b/board/armltd/vexpress64/vexpress64.c
index b5ede58..0b75c13 100644
--- a/board/armltd/vexpress64/vexpress64.c
+++ b/board/armltd/vexpress64/vexpress64.c
@@ -100,7 +100,9 @@
  * Push the variable into the .data section so that it
  * does not get cleared later.
  */
+#ifdef CONFIG_OF_HAS_PRIOR_STAGE
 unsigned long __section(".data") prior_stage_fdt_address[2];
+#endif
 
 #ifdef CONFIG_OF_BOARD
 
@@ -151,6 +153,7 @@
 }
 #endif
 
+#ifdef CONFIG_OF_HAS_PRIOR_STAGE
 /*
  * Filter for a valid DTB, as TF-A happens to provide a pointer to some
  * data structure using the DTB format, which we cannot use.
@@ -201,6 +204,7 @@
 	return -ENXIO;
 }
 #endif
+#endif
 
 /* Actual reset is done via PSCI. */
 void reset_cpu(void)