BaseTimerLibLocalApic: Add missing EBC architecture support. Note that this instance is a dummy one since EBC does not support local APIC timer.
IoLibDxeCpuIo: Add alignment checking & unsupported width checking by using ASSERT()s.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@311 6f19259b-4bc3-4df7-8a09-765794883524