leds: rgb: leds-qcom-lpg: Update PMI632 lpg_data to support PPG

Update the pmi632 lpg_data struct so that pmi632 devices use PPG
for LUT pattern.

Signed-off-by: Anjelique Melendez <quic_amelende@quicinc.com>
Tested-by: Luca Weiss <luca.weiss@fairphone.com>
Link: https://lore.kernel.org/r/20231221185838.28440-6-quic_amelende@quicinc.com


Signed-off-by: Lee Jones <lee@kernel.org>