Inject oppo r819 changes - still a WIP oppo r819 is not supported yet
Add common drivers from r819
Add custom files for OPPO89W_13025
Add config files
Add some defines for lcm drivers
opponetworkanalyser compile with CONFIG_OPPO_R819
Update Makefile for OPPO_R819

Add a CFLAG if CONFIG_OPPO_R819 is defined
Update Kconfig

Add CONFIG_OPPO_R819 to Kconfig