[PATCH v2 staging][BaseToolsOpt 0/4] Enable multiple driver combination

[Liming Gao <liming.gao@intel.com>]

In V2, 
1) Add SamplePkg to include the example to show the combined drivers in DSC.
2) Update Read.MD to describe the Depex will be AND together in the combined driver.

Combine more drivers into the single one can reduce the image size and 
compile link time. This patch adds this support in BaseTools.

Liming Gao (4):
  BaseTools: Merge multiple drivers into one for size and link
    performance
  SamplePkg: Add it to show the edk2 usage case.
  SamplePkg: Combine two drivers into one
  Update Readme.MD to include multiple driver combination.

 BaseTools/Source/Python/AutoGen/GenC.py |  24 ++-
 Readme.MD                               |   3 +
 SamplePkg/SamplePkg.dec                 |  21 +++
 SamplePkg/SamplePkg.dsc                 | 264 ++++++++++++++++++++++++++++++++
 4 files changed, 307 insertions(+), 5 deletions(-)
 create mode 100644 SamplePkg/SamplePkg.dec
 create mode 100644 SamplePkg/SamplePkg.dsc

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2.8.0.windows.1