Input: atmel_mxt_ts - don't read T5 when dumping objects

T5 is the message processor object.  Reading it will only have two
outcomes, neither of which is particularly useful:
 1) the message count decrements, and a valid message will be lost
 2) an invalid message will be read (reportid == 0xff)

Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>

drivers/input/touchscreen/atmel_mxt_ts.c

@@ -263,7 +263,6 @@ struct mxt_data {
 static bool mxt_object_readable(unsigned int type)
 {
 	switch (type) {
-	case MXT_GEN_MESSAGE_T5:
 	case MXT_GEN_COMMAND_T6:
 	case MXT_GEN_POWER_T7:
 	case MXT_GEN_ACQUIRE_T8: