iio: accel: fxls8962af: add fxls8974cf support

fxls8974cf is similar with fxls8962af, the only difference is the device id
change to 0x86.

Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Reviewed-by: Clark Wang <xiaoning.wang@nxp.com>
Reviewed-by: Sean Nyekjaer <sean@geanix.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20241115-fxls-v2-3-95f3df9228ed@nxp.com


Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>