x86: remove all definitions with fastcall

fastcall is always defined to be empty, remove it from arch/x86

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c
index 1ee443a..69a13d1 100644
--- a/arch/x86/kernel/apic_32.c
+++ b/arch/x86/kernel/apic_32.c
@@ -578,7 +578,7 @@
  *   interrupt as well. Thus we cannot inline the local irq ... ]
  */
 
-void fastcall smp_apic_timer_interrupt(struct pt_regs *regs)
+void smp_apic_timer_interrupt(struct pt_regs *regs)
 {
 	struct pt_regs *old_regs = set_irq_regs(regs);