HID: Intel-thc-hid: Intel-thc: Fix wrong register fields updating

HID: Intel-thc-hid: Intel-thc: Fix wrong register fields updating

Clear the target bit fields in register before setting new values. This
ensures proper field updates by removing any existing bits that might
interfere with the new configuration.

Fixes: 22da60f0304b ("HID: Intel-thc-hid: Intel-thc: Introduce interrupt delay control")
Fixes: 45e92a093099 ("HID: Intel-thc-hid: Intel-thc: Introduce max input size control")
Signed-off-by: Even Xu <even.xu@intel.com>
Tested-by: Rui Zhang <rui1.zhang@intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>