Input: zinitix - fix return type of zinitix_init_touch()

zinitix_init_touch() returns error code or 0 for success and therefore
return type must be int, not bool.

Fixes: 26822652c8 ("Input: add zinitix touchscreen driver")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Link: https://lore.kernel.org/r/YC8z2bXc3Oy8pABa@google.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

drivers/input/touchscreen/zinitix.c

@@ -190,7 +190,7 @@ static int zinitix_write_cmd(struct i2c_client *client, u16 reg)
 	return 0;
 }
 
-static bool zinitix_init_touch(struct bt541_ts_data *bt541)
+static int zinitix_init_touch(struct bt541_ts_data *bt541)
 {
 	struct i2c_client *client = bt541->client;
 	int i;