linux-gbmc: Add stable 6.5 for npcm7xx This takes a different strategy from the previous kernel. Instead of maintaining a separate git repo, we use a vanilla kernel and apply files + minor makefile patches on top of it. This makes our customizations more portable between versions. Change-Id: Ibc1f38e7b3a1e2c73e3b69401ecf8c36bb1fb6af Signed-off-by: William A. Kennington III <wak@google.com>