sparc32: Call sun4m_clear_profile_irq() directly from sun4m_smp.c

This is the only use of the clear_profile_irq() btfixup entry,
which just eats up lots of dead space on other platform types.

A subsequent commit will delete the other implementations and
the btfixup entry as well.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/kernel/sun4m_smp.c b/arch/sparc/kernel/sun4m_smp.c
index a14a76a..e3c0be1 100644
--- a/arch/sparc/kernel/sun4m_smp.c
+++ b/arch/sparc/kernel/sun4m_smp.c
@@ -313,6 +313,8 @@
 	ccall_info.processors_out[i] = 1;
 }
 
+extern void sun4m_clear_profile_irq(int cpu);
+
 void smp4m_percpu_timer_interrupt(struct pt_regs *regs)
 {
 	struct pt_regs *old_regs;
@@ -320,7 +322,7 @@
 
 	old_regs = set_irq_regs(regs);
 
-	clear_profile_irq(cpu);
+	sun4m_clear_profile_irq(cpu);
 
 	profile_tick(CPU_PROFILING);