drm/i915: reorder and reindent the register choosing helper wrappers

Try to make it slightly less of an eye sore. No functional changes.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181031110453.12722-3-jani.nikula@intel.com

drivers/gpu/drm/i915/i915_reg.h

@@ -158,18 +158,21 @@ static inline bool i915_mmio_reg_valid(i915_reg_t reg)
  * Named helper wrappers around _PICK_EVEN() and _PICK().
  */
 #define _PIPE(pipe, a, b)		_PICK_EVEN(pipe, a, b)
-#define _MMIO_PIPE(pipe, a, b) _MMIO(_PIPE(pipe, a, b))
 #define _PLANE(plane, a, b)		_PICK_EVEN(plane, a, b)
-#define _MMIO_PLANE(plane, a, b) _MMIO(_PLANE(plane, a, b))
 #define _TRANS(tran, a, b)		_PICK_EVEN(tran, a, b)
-#define _MMIO_TRANS(tran, a, b) _MMIO(_TRANS(tran, a, b))
 #define _PORT(port, a, b)		_PICK_EVEN(port, a, b)
-#define _MMIO_PORT(port, a, b) _MMIO(_PORT(port, a, b))
-#define _MMIO_PIPE3(pipe, a, b, c) _MMIO(_PICK(pipe, a, b, c))
-#define _MMIO_PORT3(pipe, a, b, c) _MMIO(_PICK(pipe, a, b, c))
 #define _PLL(pll, a, b)			_PICK_EVEN(pll, a, b)
+
+#define _MMIO_PIPE(pipe, a, b)		_MMIO(_PIPE(pipe, a, b))
+#define _MMIO_PLANE(plane, a, b)	_MMIO(_PLANE(plane, a, b))
+#define _MMIO_TRANS(tran, a, b)		_MMIO(_TRANS(tran, a, b))
+#define _MMIO_PORT(port, a, b)		_MMIO(_PORT(port, a, b))
 #define _MMIO_PLL(pll, a, b)		_MMIO(_PLL(pll, a, b))
+
 #define _PHY3(phy, ...)			_PICK(phy, __VA_ARGS__)
+
+#define _MMIO_PIPE3(pipe, a, b, c)	_MMIO(_PICK(pipe, a, b, c))
+#define _MMIO_PORT3(pipe, a, b, c)	_MMIO(_PICK(pipe, a, b, c))
 #define _MMIO_PHY3(phy, a, b, c)	_MMIO(_PHY3(phy, a, b, c))
 
 #define __MASKED_FIELD(mask, value) ((mask) << 16 | (value))