Avoid use of "ukernel" terminology in some sample projects

Gets rid of this non-standard terminology, and spells out
"microkernel" in full (when needed at all).

Change-Id: Ibfae84225fdceb526d8732bc23a0885f2d3be462
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
2 files changed