drivers: bmi160: add sample ready check

Add sensor sample ready check before fetching the sample.
Otherwise, invalid value will be returned.

Jira: ZEP-1532 ZEP-1358

Change-Id: I570151c8ae93fbb744dac857521f596fd63806a6
Signed-off-by: Baohong Liu <baohong.liu@intel.com>
1 file changed