MIPS: Whitespace cleanup.

Having received another series of whitespace patches I decided to do this
once and for all rather than dealing with this kind of patches trickling
in forever.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/include/asm/fpu.h

@@ -35,14 +35,14 @@ extern void _restore_fp(struct task_struct *);
 
 #define __enable_fpu()							\
 do {									\
-        set_c0_status(ST0_CU1);						\
-        enable_fpu_hazard();						\
+	set_c0_status(ST0_CU1);						\
+	enable_fpu_hazard();						\
 } while (0)
 
 #define __disable_fpu()							\
 do {									\
 	clear_c0_status(ST0_CU1);					\
-        disable_fpu_hazard();						\
+	disable_fpu_hazard();						\
 } while (0)
 
 #define enable_fpu()							\