x86/of: Kill unused early_init_dt_scan_chosen_arch()

There are no callers for early_init_dt_scan_chosen_arch(), so remove it.
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Frank Rowand <frank.rowand@sony.com>
Link: https://lkml.kernel.org/r/20211022164642.2815706-1-robh@kernel.org

arch/x86/kernel/devicetree.c

@@ -31,11 +31,6 @@ char __initdata cmd_line[COMMAND_LINE_SIZE];
 
 int __initdata of_ioapic;
 
-void __init early_init_dt_scan_chosen_arch(unsigned long node)
-{
-	BUG();
-}
-
 void __init early_init_dt_add_memory_arch(u64 base, u64 size)
 {
 	BUG();

include/linux/of_fdt.h

@@ -65,7 +65,6 @@ extern int early_init_dt_scan_memory(unsigned long node, const char *uname,
 extern int early_init_dt_scan_chosen_stdout(void);
 extern void early_init_fdt_scan_reserved_mem(void);
 extern void early_init_fdt_reserve_self(void);
-extern void __init early_init_dt_scan_chosen_arch(unsigned long node);
 extern void early_init_dt_add_memory_arch(u64 base, u64 size);
 extern u64 dt_mem_next_cell(int s, const __be32 **cellp);