work on nAa kernel & clean up

Change-Id: I055476f72d8b5f61b9d61af3188e5969934fc3ce
use cdma ril for 7x30

Change-Id: Ic6757e210ef780e5300e563ef2630dd36b5070aa
add twrp recovery config & gitignore

Change-Id: Ibd7114e033eef4e56a0ad0b7d24c74757cd3aad6
update readme

Change-Id: Id61ca1e542599c9654c76cade0bb17818c5edfd8
add trwp config & cdma fixes

Change-Id: I5d95aa31b5ca5b92ffe973a8b91b8c2e60368aba