BeagleBone Black Pin Mode Configuration?

voodoo@x1-am57xx-beagle-x15-2gb:~/bb.org-overlays$ make help
Targets:
  all: Build all device tree binaries for all architectures
  clean: Clean all generated files
  install: Install all generated files (sudo)

  all_<ARCH>: Build all device tree binaries for <ARCH>
  clean_<ARCH>: Clean all generated files for <ARCH>
  install_<ARCH>: Install all generated files for <ARCH> (sudo)

  src/<ARCH>/<DTS>.dtbo Build a single device tree binary

Architectures: arm
voodoo@x1-am57xx-beagle-x15-2gb:~/bb.org-overlays$

Regards,