ACPICA: Update debug output for IndexField I/O

Split the "data register I/O" with more informative read and
write messages.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

drivers/acpi/executer/exfldio.c

@@ -498,21 +498,24 @@ acpi_ex_field_datum_io(union acpi_operand_object *obj_desc,
 			return_ACPI_STATUS(status);
 		}
 
-		ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
-				  "I/O to Data Register: ValuePtr %p\n",
-				  value));
-
 		if (read_write == ACPI_READ) {
 
 			/* Read the datum from the data_register */
 
+			ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
+					  "Read from Data Register\n"));
+
 			status =
 			    acpi_ex_extract_from_field(obj_desc->index_field.
 						       data_obj, value,
 						       sizeof(acpi_integer));
 		} else {
 			/* Write the datum to the data_register */
 
+			ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
+					  "Write to Data Register: Value %8.8X%8.8X\n",
+					  ACPI_FORMAT_UINT64(*value)));
+
 			status =
 			    acpi_ex_insert_into_field(obj_desc->index_field.
 						      data_obj, value,