time: Refactor msecs_to_jiffies

time: Refactor msecs_to_jiffies

Refactor the msecs_to_jiffies conditional code part in time.c and
jiffies.h putting it into conditional functions rather than #ifdefs
to improve readability.

[ tglx: Verified that there is no binary code change ]

Signed-off-by: Nicholas Mc Guire <[email protected]>
Cc: Masahiro Yamada <[email protected]>
Cc: Sam Ravnborg <[email protected]>
Cc: Joe Perches <[email protected]>
Cc: John Stultz <[email protected]>
Cc: Andrew Hunter <[email protected]>
Cc: Paul Turner <[email protected]>
Cc: Michal Marek <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Thomas Gleixner <[email protected]>