Make enum size same for all compilers

Enum size is defined depending upon range of values used in enum.
ATTRIBUTE_PACKED is unused.

Tested with multiple streams with diffrent configuration and
observed no change in memory footprint or encoder/decoder time.

Change-Id: I9bba27c0652ec29153cdbdac58cd3ff891a6a10a
diff --git a/av1/common/reconinter.h b/av1/common/reconinter.h
index fb825e0..b97f72c 100644
--- a/av1/common/reconinter.h
+++ b/av1/common/reconinter.h
@@ -47,7 +47,7 @@
 #define WEDGE_NONE -1
 
 // Angles are with respect to horizontal anti-clockwise
-typedef enum {
+enum {
   WEDGE_HORIZONTAL = 0,
   WEDGE_VERTICAL = 1,
   WEDGE_OBLIQUE27 = 2,
@@ -55,7 +55,7 @@
   WEDGE_OBLIQUE117 = 4,
   WEDGE_OBLIQUE153 = 5,
   WEDGE_DIRECTIONS
-} WedgeDirectionType;
+} UENUM1BYTE(WedgeDirectionType);
 
 // 3-tuple: {direction, x_offset, y_offset}
 typedef struct {