Flash LED compatible string has been updated from "qcom,pm8350c-flash-led"
to "qcom,qti-pm8350c-flash-led" in Sun. Update existing usage of the
old compatible from Pineapple dtsi files found in Sun.
Change-Id: Ib062510cd6561e57973cca336d2a5b04884ec5d8
Signed-off-by: Anjelique Melendez <quic_amelende@quicinc.com>