SFI: remove unneeded includes

Signed-off-by: Feng Tang <feng.tang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/arch/x86/kernel/sfi.c b/arch/x86/kernel/sfi.c
index b294b7a..34e0993 100644
--- a/arch/x86/kernel/sfi.c
+++ b/arch/x86/kernel/sfi.c
@@ -21,22 +21,15 @@
 #define KMSG_COMPONENT "SFI"
 #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
 
-#include <linux/bootmem.h>
-#include <linux/cpumask.h>
-#include <linux/module.h>
 #include <linux/acpi.h>
 #include <linux/init.h>
-#include <linux/efi.h>
-#include <linux/irq.h>
 #include <linux/sfi.h>
 #include <linux/io.h>
 
 #include <asm/io_apic.h>
-#include <asm/pgtable.h>
 #include <asm/mpspec.h>
 #include <asm/setup.h>
 #include <asm/apic.h>
-#include <asm/e820.h>
 
 #ifdef CONFIG_X86_LOCAL_APIC
 static unsigned long sfi_lapic_addr __initdata = APIC_DEFAULT_PHYS_BASE;
diff --git a/drivers/sfi/sfi_core.c b/drivers/sfi/sfi_core.c
index 7bd6b18..d3b4968 100644
--- a/drivers/sfi/sfi_core.c
+++ b/drivers/sfi/sfi_core.c
@@ -62,16 +62,11 @@
 #include <linux/bootmem.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
-#include <linux/string.h>
 #include <linux/errno.h>
 #include <linux/types.h>
 #include <linux/acpi.h>
 #include <linux/init.h>
-#include <linux/irq.h>
 #include <linux/sfi.h>
-#include <linux/smp.h>
-
-#include <asm/pgtable.h>
 
 #include "sfi_core.h"