The reason BrcmPatchRAM kexts are not installed is I tried only with BrcmBluetoothInjector.kext and as you wrote on your Readme.md file this kext shouldn't be used with BrcmPatchRAM kexts.
After installing BrcmPatchRAM kexts device is shown in IOReg, but it's not working and on boot I get busy timeout[0], (60s), kextd wait (0): 'BCM43142A0'