target: msm8226: Add support for parsing panel selection

Display panel can be selected dynamically using the fastboot
oem command. Add support for parsing and initializing the panel
selected by the user. If the specified panel is not supported
then fall-back to the default panel for the platform.

Change-Id: I43e4cd1a598660ba7e7a993548afc4a16dec882a
2 files changed