sh: Move over and enable FPU support for SH-5.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/kernel/process_64.c b/arch/sh/kernel/process_64.c
index 0761af4..0c2bc61 100644
--- a/arch/sh/kernel/process_64.c
+++ b/arch/sh/kernel/process_64.c
@@ -469,9 +469,9 @@
 	fpvalid = !!tsk_used_math(tsk);
 	if (fpvalid) {
 		if (current == last_task_used_math) {
-			grab_fpu();
+			enable_fpu();
 			fpsave(&tsk->thread.fpu.hard);
-			release_fpu();
+			disable_fpu();
 			last_task_used_math = 0;
 			regs->sr |= SR_FD;
 		}
@@ -496,9 +496,9 @@
 
 #ifdef CONFIG_SH_FPU
 	if(last_task_used_math == current) {
-		grab_fpu();
+		enable_fpu();
 		fpsave(&current->thread.fpu.hard);
-		release_fpu();
+		disable_fpu();
 		last_task_used_math = NULL;
 		regs->sr |= SR_FD;
 	}