Revert "GFRG200/GFRG210: Switch to Linux 4.1"

This reverts commit 751345c924bd559d26c131a6cf418d64471f4d5e.

We need to find a way to accommodate SpaceCast first.

Change-Id: I0955dada5febde6516678e49ba2d06f190ac7f88
3 files changed