such repo, much nice, wow!

Download / git clone this repository to :
$android_src/vendor/mediatek
or copy vmtk.xml to :
$android_src/.repo/local_manifests/
then simply repo sync your sources

Include both VendorConfig.mk & VendorProduct.mk in your device tree like so :

• BoardConfig.mk :
  $(call inherit-product, $(SRC_TARGET_DIR)/vendor/mediatek/VendorConfig.mk)

• device(_product).mk :
  $(call inherit-product, $(SRC_TARGET_DIR)/vendor/mediatek/VendorProduct.mk)

Patches located in the patches folder can be applied from the root of your android sources :
. vendor/mediatek/patches/install.sh & . vendor/mediatek/patches/uninstall.sh

Moyster