x86: irq_64.c fix style problems

Impact: cleanup, fix style problems, more readable

Fix:

 WARNING: Use #include <linux/uaccess.h> instead of <asm/uaccess.h>
 WARNING: Use #include <linux/smp.h> instead of <asm/smp.h>
 ERROR: code indent should use tabs where possible

 total: 9 errors, 2 warnings
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

arch/x86/kernel/irq_64.c

@@ -14,10 +14,10 @@
 #include <linux/module.h>
 #include <linux/delay.h>
 #include <linux/ftrace.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
+#include <linux/smp.h>
 #include <asm/io_apic.h>
 #include <asm/idle.h>
-#include <asm/smp.h>
 
 /*
  * Probabilistic stack overflow check: