MdeModulePkg/PciHostBridgeDxe: fix Ia32 GCC44 build error

MdeModulePkg/PciHostBridgeDxe: fix Ia32 GCC44 build error

> cc1: warnings being treated as errors
> MdeModulePkg/Bus/Pci/PciHostBridgeDxe/PciHostBridge.c:
>   In function 'GetProposedResources':
> MdeModulePkg/Bus/Pci/PciHostBridgeDxe/PciHostBridge.c:1388:
>   error: integer constant is too large for 'long' type

Append a ULL suffix to the replacement text of PCI_RESOURCE_LESS that is
aligned with the style of the EFI_RESOURCE_SATISFIED and
EFI_RESOURCE_NOT_SATISFIED macros.

Cc: Ruiyu Ni <ruiyu.ni@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>