[PATCH v3] Add make feature support for SoCFPGA Handoff

[Sune Brian]

> This won't work with separate object directories. Please give things a
> spin with "make O=/tmp/somedir". It also looks like it's going to impact

Okay you got a point here, but before repatch add an additional
USER_HANDOFF_DIR=xxxx parameter to override the auto
qts+handoff folder build.

I don't understand what is the issue you mentioned.

Brian