TMU0 initialization was broken when the timer was already started by someone
else (for instance, a boot loader).  This fixes it.
Signed-off-by: Andy Sturges <andy.sturges@st.com>
Signed-off-by: Richard Curnow <rc@rc0.org.uk>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>