openeuler: net: txgbe: fix arm32 compile error because 64bit div and warnning

driver inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I5Y6RT


CVE: NA

1.fix arm32 compile error because 64bit div operate in txgbe_get_thermal_sensor_data function
2.fix txgbe_sysfs compile warning.

Signed-off-by: DuanqiangWen <duanqiangwen@net-swift.com>