dev: gcdb: display: update r69006 panel setting

This change updates the following settings for r69006 panel:
1) updates r69006's Gamma to standard 2.2.
2) optimizes r69006's power sequence to get less resume latency.
3) adds LAB/IBB related structure.

Change-Id: Iacbced517f031d399e9dba11d951ae3a0e8300bc
2 files changed