[SPARK-25179][PYTHON][DOCS] Document BinaryType support in Arrow conversion

## What changes were proposed in this pull request?

This PR targets to document binary type in "Apache Arrow in Spark".

## How was this patch tested?

Manually built the documentation and checked.

Closes apache#22871 from HyukjinKwon/SPARK-25179.

Authored-by: hyukjinkwon <[email protected]>
Signed-off-by: gatorsmile <[email protected]>
(cherry picked from commit fbaf150)
Signed-off-by: gatorsmile <[email protected]>

Author: HyukjinKwon

docs/sql-pyspark-pandas-with-arrow.md

@@ -127,8 +127,9 @@ For detailed usage, please see [`pyspark.sql.functions.pandas_udf`](api/python/p
 
 ### Supported SQL Types
 
-Currently, all Spark SQL data types are supported by Arrow-based conversion except `BinaryType`, `MapType`,
-`ArrayType` of `TimestampType`, and nested `StructType`.
+Currently, all Spark SQL data types are supported by Arrow-based conversion except `MapType`,
+`ArrayType` of `TimestampType`, and nested `StructType`. `BinaryType` is supported only when
+installed PyArrow is equal to or higher then 0.10.0.
 
 ### Setting Arrow Batch Size