drivers: bcm283x: Set pre-location flag for OF_BOARD

U-Boot support on Raspberry Pi 4 relies on the device-tree
provided by the firmware. The blob does not contain the
U-Boot specific pre-loc-rel properties. The result is, that
the U-Boot banner is not printed.

We fix this by setting the DM_FLAG_PRE_RELOC flag in the driver,
if we rely on a device-tree provided by the firmware.

Reported-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Matthias Brugger <mbrugger@suse.com>
diff --git a/drivers/pinctrl/broadcom/pinctrl-bcm283x.c b/drivers/pinctrl/broadcom/pinctrl-bcm283x.c
index 8d9074e..eb720f0 100644
--- a/drivers/pinctrl/broadcom/pinctrl-bcm283x.c
+++ b/drivers/pinctrl/broadcom/pinctrl-bcm283x.c
@@ -149,7 +149,7 @@
 	.priv_auto_alloc_size = sizeof(struct bcm283x_pinctrl_priv),
 	.ops		= &bcm283x_pinctrl_ops,
 	.probe		= bcm283x_pinctl_probe,
-#if !CONFIG_IS_ENABLED(OF_CONTROL)
+#if !CONFIG_IS_ENABLED(OF_CONTROL) || CONFIG_IS_ENABLED(OF_BOARD)
 	.flags		= DM_FLAG_PRE_RELOC,
 #endif
 };
diff --git a/drivers/serial/serial_bcm283x_mu.c b/drivers/serial/serial_bcm283x_mu.c
index bd1d89e..a6ffc84 100644
--- a/drivers/serial/serial_bcm283x_mu.c
+++ b/drivers/serial/serial_bcm283x_mu.c
@@ -199,7 +199,7 @@
 	.platdata_auto_alloc_size = sizeof(struct bcm283x_mu_serial_platdata),
 	.probe = bcm283x_mu_serial_probe,
 	.ops = &bcm283x_mu_serial_ops,
-#if !CONFIG_IS_ENABLED(OF_CONTROL)
+#if !CONFIG_IS_ENABLED(OF_CONTROL) || CONFIG_IS_ENABLED(OF_BOARD)
 	.flags = DM_FLAG_PRE_RELOC,
 #endif
 	.priv_auto_alloc_size = sizeof(struct bcm283x_mu_priv),
diff --git a/drivers/serial/serial_bcm283x_pl011.c b/drivers/serial/serial_bcm283x_pl011.c
index 2527bb8..7d8ab7b 100644
--- a/drivers/serial/serial_bcm283x_pl011.c
+++ b/drivers/serial/serial_bcm283x_pl011.c
@@ -90,7 +90,7 @@
 	.platdata_auto_alloc_size = sizeof(struct pl01x_serial_platdata),
 	.probe	= pl01x_serial_probe,
 	.ops	= &bcm283x_pl011_serial_ops,
-#if !CONFIG_IS_ENABLED(OF_CONTROL)
+#if !CONFIG_IS_ENABLED(OF_CONTROL) || CONFIG_IS_ENABLED(OF_BOARD)
 	.flags	= DM_FLAG_PRE_RELOC,
 #endif
 	.priv_auto_alloc_size = sizeof(struct pl01x_priv),