Branch created called not-for-upstream/modem

Has been tested on Fascinate4G with ipc-modem from https://git.replicant.us/replicant/external_libsamsung-ipc/tree/?h=replicant-6.0 and the patches from https://github.com/xc-racer99/android_patches/blob/8e410ce0996bb3170865a4b7ea375726bf804c1c/external_libsamsung-ipc.patch applied

Modem boots and registers on network - nothing else tested. Requires the modem.bin to be in /radio/modem.bin plus that the EFS is present at /efs