Add a compatible for PMI8994 WLED. It uses the V4 of WLED IP.
Signed-off-by: NKonrad Dybcio <konrad.dybcio@somainline.org>
Reviewed-by: NDaniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: NLee Jones <lee.jones@linaro.org>