fdo#43157 - Clean up OSL_ASSERT, DBG_ASSERT

Replaced OSL_ASSERT with SAL_WARN_IF, OSL_TRACE with SAL_INFO

Change-Id: Ia2283c09ac702558fe6ad39e963b0f401ef31de0
Signed-off-by: Stephan Bergmann <sbergman@redhat.com>