Correct SPL uses of OF_BOARD

This converts 3 usages of this option to the non-SPL form, since there is
no SPL_OF_BOARD defined in Kconfig

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Matthias Brugger <mbrugger@suse.com>
diff --git a/drivers/pinctrl/broadcom/pinctrl-bcm283x.c b/drivers/pinctrl/broadcom/pinctrl-bcm283x.c
index 44a310f..e949cb7 100644
--- a/drivers/pinctrl/broadcom/pinctrl-bcm283x.c
+++ b/drivers/pinctrl/broadcom/pinctrl-bcm283x.c
@@ -153,7 +153,7 @@
 	.priv_auto	= sizeof(struct bcm283x_pinctrl_priv),
 	.ops		= &bcm283x_pinctrl_ops,
 	.probe		= bcm283x_pinctl_probe,
-#if CONFIG_IS_ENABLED(OF_BOARD)
+#if IS_ENABLED(CONFIG_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 12cbcb9..7585f79 100644
--- a/drivers/serial/serial_bcm283x_mu.c
+++ b/drivers/serial/serial_bcm283x_mu.c
@@ -197,7 +197,7 @@
 	.plat_auto	= sizeof(struct bcm283x_mu_serial_plat),
 	.probe = bcm283x_mu_serial_probe,
 	.ops = &bcm283x_mu_serial_ops,
-#if !CONFIG_IS_ENABLED(OF_CONTROL) || CONFIG_IS_ENABLED(OF_BOARD)
+#if !CONFIG_IS_ENABLED(OF_CONTROL) || IS_ENABLED(CONFIG_OF_BOARD)
 	.flags = DM_FLAG_PRE_RELOC,
 #endif
 	.priv_auto	= sizeof(struct bcm283x_mu_priv),
diff --git a/drivers/serial/serial_bcm283x_pl011.c b/drivers/serial/serial_bcm283x_pl011.c
index 7d172cd..09a9868 100644
--- a/drivers/serial/serial_bcm283x_pl011.c
+++ b/drivers/serial/serial_bcm283x_pl011.c
@@ -94,7 +94,7 @@
 	.probe	= bcm283x_pl011_serial_probe,
 	.plat_auto	= sizeof(struct pl01x_serial_plat),
 	.ops	= &bcm283x_pl011_serial_ops,
-#if !CONFIG_IS_ENABLED(OF_CONTROL) || CONFIG_IS_ENABLED(OF_BOARD)
+#if !CONFIG_IS_ENABLED(OF_CONTROL) || IS_ENABLED(CONFIG_OF_BOARD)
 	.flags	= DM_FLAG_PRE_RELOC,
 #endif
 	.priv_auto	= sizeof(struct pl01x_priv),