BaseTools:Replace PlatformInfo with PlatformAutoGen for Moudle

BaseTools:Replace PlatformInfo with PlatformAutoGen for Moudle

BZ:https://bugzilla.tianocore.org/show_bug.cgi?id=2188

build -p MdeModulePkg\MdeModulePkg.dsc -a IA32 -m
MdeModulePkg\Universal\PCD\Pei\Pcd.inf

Error:
AttributeError: 'PlatformInfo' object has no attribute
'DynamicPcdList'

The DSC data object used to build a separate module today
is PlatformInfo rather than PlatformAutoGen
'PlatformAutoGen' object has attribute 'DynamicPcdList'

This patch is going to fixed this issue

Cc: Liming Gao <liming.gao@intel.com>
Cc: Bob Feng <bob.c.feng@intel.com>
Signed-off-by: Zhiju.Fan <zhijux.fan@intel.com>
Reviewed-by: Bob Feng <bob.c.feng@intel.com>