klte: move NFC library to its own sub-folder.

* One device needs the compiled pn544 lib to function

Change-Id: I58c37a7b0f97d47594cf2905399e481f4a3a9e7b
klte: Compile NFC HAL from source

* prebuilt is no longer needed with recent ramdisk changes

Change-Id: I6fa7a51e78d435ca7de678c2692766019d10fe21
klte: use pre-compiled bradcom NFC HAL for kltedv

* kltedv is the only GSM device that doesn't use the NXP/pn547 chipset.
Instead of compiling a whole other build, I simply compiled the bradcom
NFC HAL from current source and placed it here to be copied during flash.

Change-Id: Ifd9fcb7f2cad78b48400ac8a538d444048ef2bfc