Add Coccinelle patch for replacing tt_assert() usage on integer types.

This patch replaces tt_assert() comparison of integers and unsigned
integers with their respective tt_int_op or tt_uint_op counterpart.

scripts/coccinelle/test_assert_int.cocci

@@ -0,0 +1,49 @@
+@@
+int e;
+constant c;
+@@
+
+(
+- tt_assert(e == c)
++ tt_int_op(e, OP_EQ, c)
+|
+- tt_assert(e != c)
++ tt_int_op(e, OP_NE, c)
+|
+- tt_assert(e < c)
++ tt_int_op(e, OP_LT, c)
+|
+- tt_assert(e <= c)
++ tt_int_op(e, OP_LE, c)
+|
+- tt_assert(e > c)
++ tt_int_op(e, OP_GT, c)
+|
+- tt_assert(e >= c)
++ tt_int_op(e, OP_GE, c)
+)
+
+@@
+unsigned int e;
+constant c;
+@@
+
+(
+- tt_assert(e == c)
++ tt_uint_op(e, OP_EQ, c)
+|
+- tt_assert(e != c)
++ tt_uint_op(e, OP_NE, c)
+|
+- tt_assert(e < c)
++ tt_uint_op(e, OP_LT, c)
+|
+- tt_assert(e <= c)
++ tt_uint_op(e, OP_LE, c)
+|
+- tt_assert(e > c)
++ tt_uint_op(e, OP_GT, c)
+|
+- tt_assert(e >= c)
++ tt_uint_op(e, OP_GE, c)
+)