Merge custom files in one directory - see explications on xda soon
Inject oppo r819 changes - still a WIP oppo r819 is not supported yet
Add config files
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
Enable OPPO R819 building

Conflicts:
	build.sh
Hack for mtk build system on Oppo battery
Inject all Oppo stuff - needs some cleaning
Replace VENDOR_EDIT by OPPO_R819
Modify <linux/autoconf.h> (wrong include) to <generated/autoconf.h>