OvmfPkg/AcpiTables: Change the ACPI PM Base Adress to 0xb000

0xb000 is the address normally used with QEMU.

0x400 also appears to conflict with some debug I/O ports
used by QEMU.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Erik Bjorge <erik.c.bjorge@intel.com>
Tested-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Tested-by: Bei Guan <gbtju85@gmail.com>
Reviewed-by: Bei Guan <gbtju85@gmail.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13279 6f19259b-4bc3-4df7-8a09-765794883524
3 files changed