Change the behavior of DxeIplLoadFile to load EFI_SECTION_TE first. If failed, LOAD EFI_SECTION_PE32. For our implementation, some PEIM who require to shadow itself is in TE format.
Change the behavior of DxeIplLoadFile to load EFI_SECTION_TE first. If failed, LOAD EFI_SECTION_PE32. For our implementation, some PEIM who require to shadow itself is in TE format.

git-svn-id: 5648d1bec6962b0a6d1d1b40eba8cf5cdb62da3d@3618 6f19259b-4bc3-4df7-8a09-765794883524

MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2