arm: bcm7445: Fix parallel make race condition

Move the contents of prior_stage.h into bcmstb.h to prevent a build
failure when bcmstb.h is #include'ed before the asm/arch symbolic link
is present.

Signed-off-by: Thomas Fitzsimmons <fitzsim@fitzsim.org>

arch/arm/mach-bcmstb/include/mach/prior_stage.h

@@ -1,30 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0+ */
-/*
- * (C) Copyright 2018  Cisco Systems, Inc.
- *
- * Author: Thomas Fitzsimmons <fitzsim@fitzsim.org>
- */
-
-#ifndef _BCMSTB_PRIOR_STAGE_H
-#define _BCMSTB_PRIOR_STAGE_H
-
-#ifndef __ASSEMBLY__
-
-#include <linux/types.h>
-
-struct bcmstb_boot_parameters {
-	u32 r0;
-	u32 r1;
-	u32 r2;
-	u32 r3;
-	u32 sp;
-	u32 lr;
-};
-
-extern struct bcmstb_boot_parameters bcmstb_boot_parameters;
-
-extern phys_addr_t prior_stage_fdt_address;
-
-#endif /* __ASSEMBLY__ */
-
-#endif /* _BCMSTB_PRIOR_STAGE_H */

include/configs/bcmstb.h

@@ -12,7 +12,25 @@
 
 #include "version.h"
 #include <linux/sizes.h>
-#include <asm/arch/prior_stage.h>
+
+#ifndef __ASSEMBLY__
+
+#include <linux/types.h>
+
+struct bcmstb_boot_parameters {
+	u32 r0;
+	u32 r1;
+	u32 r2;
+	u32 r3;
+	u32 sp;
+	u32 lr;
+};
+
+extern struct bcmstb_boot_parameters bcmstb_boot_parameters;
+
+extern phys_addr_t prior_stage_fdt_address;
+
+#endif /* __ASSEMBLY__ */
 
 /*
  * Generic board configuration.