Moving MAX_PROB constant to vp9_prob.h.

Change-Id: I07470ad1b7a0344d088911428ffab8ba9a0d8708

vp9/common/vp9_entropy.h

diff --git a/vp9/common/vp9_entropy.h b/vp9/common/vp9_entropy.h
index 0ed06b4..f43a85f 100644
--- a/vp9/common/vp9_entropy.h
+++ b/vp9/common/vp9_entropy.h
@@ -53,7 +53,6 @@
 // indexed by token value
 extern const vp9_extra_bit vp9_extra_bits[ENTROPY_TOKENS];
 
-#define MAX_PROB                255
 #define DCT_MAX_VALUE           16384
 
 /* Coefficients are predicted via a 3-dimensional probability table. */

vp9/common/vp9_prob.h

diff --git a/vp9/common/vp9_prob.h b/vp9/common/vp9_prob.h
index d1bd37a..6148206 100644
--- a/vp9/common/vp9_prob.h
+++ b/vp9/common/vp9_prob.h
@@ -20,6 +20,8 @@
 
 typedef uint8_t vp9_prob;
 
+#define MAX_PROB 255
+
 #define vp9_prob_half ((vp9_prob) 128)
 
 typedef int8_t vp9_tree_index;