hwmon: qpnp-adc-voltage: Fix break statements in compensation API

Fix missing break statements in OCV and VBAT compensation
APIs for PM8026 v2.2 to avoid SOC and VBAT errors.

Change-Id: Idd2352c2cd9dad3b80a71f36a2947254792557bc
Signed-off-by: Dipen Parmar <dipenp@codeaurora.org>