kernel: fix obsolete access to fields in K_DEBUG() calls

When moving arch-specific thread structure to arch-agnostic, some field
accesses were missed when used in K_DEBUG statements, which are turned
off by default.

Change-Id: Ife0f49b8185a0db468deab73555f7034f20ca3e8
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
3 files changed