meta-ettus: Bump version to UHD 4.1 rc1
meta-ettus: Bump version to UHD 4.1 rc1

Signed-off-by: Steven Koo <2be81fa51a694756e39f0ec857909538bdef4f38@ni.com>

EttusResearch/meta-ettus,EttusResearch/meta-ettus,EttusResearch/meta-ettus,EttusResearch/meta-ettus,EttusResearch/meta-ettus,EttusResearch/meta-ettus