ArmPkg: ArmArchTimerLib: clean up comments

In the next patch we'll slightly reorganize TimerConstructor(). Let's
improve the comments first.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Olivier Martin <Olivier.martin@arm.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16689 6f19259b-4bc3-4df7-8a09-765794883524
1 file changed