UefiPayloadPkg: Remove assert when reserve MMIO/IO resource for devices

UefiPayloadPkg: Remove assert when reserve MMIO/IO resource for devices

Some boot loader may already reserve MMIO/IO resource for IOAPIC and HPET,
so remove the assert when reserve MMIO/IO resource for IOAPIC and HPET

Cc: Maurice Ma <maurice.ma@intel.com>
Cc: Guo Dong <guo.dong@intel.com>
Cc: Benjamin You <benjamin.you@intel.com>
Reviewed-by: Guo Dong <guo.dong@intel.com>
Signed-off-by: Zhiguang Liu <zhiguang.liu@intel.com>