x86: split e820 reserved entries record to late v2

so could let BAR res register at first, or even pnp.

v2: insert e820 reserve resources before pnp_system_init

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/include/asm-x86/e820.h b/include/asm-x86/e820.h
index ca433c3..5abbdec 100644
--- a/include/asm-x86/e820.h
+++ b/include/asm-x86/e820.h
@@ -122,6 +122,7 @@
 extern u64 e820_hole_size(u64 start, u64 end);
 extern void finish_e820_parsing(void);
 extern void e820_reserve_resources(void);
+extern void e820_reserve_resources_late(void);
 extern void setup_memory_map(void);
 extern char *default_machine_specific_memory_setup(void);
 extern char *machine_specific_memory_setup(void);