meta-ettus: Update commit to UHD 4.2.0.1 release
meta-ettus: Update commit to UHD 4.2.0.1 release

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