sh: Fix up FPU build for SH5

After the recent FPU optimisation commit the signature of save_fpu()
changed. "regs" wasn't used in the implementation of save_fpu() anyway.

Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/kernel/ptrace_64.c b/arch/sh/kernel/ptrace_64.c
index 952da83..873ebdc 100644
--- a/arch/sh/kernel/ptrace_64.c
+++ b/arch/sh/kernel/ptrace_64.c
@@ -82,7 +82,7 @@
 
 	if (last_task_used_math == task) {
 		enable_fpu();
-		save_fpu(task, regs);
+		save_fpu(task);
 		disable_fpu();
 		last_task_used_math = 0;
 		regs->sr |= SR_FD;
@@ -118,7 +118,7 @@
 		set_stopped_child_used_math(task);
 	} else if (last_task_used_math == task) {
 		enable_fpu();
-		save_fpu(task, regs);
+		save_fpu(task);
 		disable_fpu();
 		last_task_used_math = 0;
 		regs->sr |= SR_FD;