[PATCH] boot: vbe_simple: Fix vbe_simple_read_bootflow() dependency

[Bin Meng]

vbe_simple_read_bootflow() calls vbe_simple_read_bootflow_fw()
which is only available when BOOTMETH_VBE_SIMPLE_FW is on.

Signed-off-by: Bin Meng <bmeng at tinylab.org>
---

 boot/vbe_simple.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/boot/vbe_simple.c b/boot/vbe_simple.c
index 59676d8613..12682abd39 100644
--- a/boot/vbe_simple.c
+++ b/boot/vbe_simple.c
@@ -148,11 +148,13 @@ static int vbe_simple_read_bootflow(struct udevice *dev, struct bootflow *bflow)
 {
 	int ret;
 
-	if (vbe_phase() == VBE_PHASE_FIRMWARE) {
-		ret = vbe_simple_read_bootflow_fw(dev, bflow);
-		if (ret)
-			return log_msg_ret("fw", ret);
-		return 0;
+	if (CONFIG_IS_ENABLED(BOOTMETH_VBE_SIMPLE_FW)) {
+		if (vbe_phase() == VBE_PHASE_FIRMWARE) {
+			ret = vbe_simple_read_bootflow_fw(dev, bflow);
+			if (ret)
+				return log_msg_ret("fw", ret);
+			return 0;
+		}
 	}
 
 	return -EINVAL;
-- 
2.25.1