x86: Introducing asm/syscalls.h

Declaring arch-dependent syscalls for x86 architecture

Signed-off-by: Jaswinder Singh <jaswinder@infradead.org>
diff --git a/arch/x86/kernel/ldt.c b/arch/x86/kernel/ldt.c
index a844957..c49ff2d 100644
--- a/arch/x86/kernel/ldt.c
+++ b/arch/x86/kernel/ldt.c
@@ -18,6 +18,7 @@
 #include <asm/ldt.h>
 #include <asm/desc.h>
 #include <asm/mmu_context.h>
+#include <asm/syscalls.h>
 
 #ifdef CONFIG_SMP
 static void flush_ldt(void *current_mm)