mtk_android_defconfig: CtsUffdGcTestCases

CONFIG_USERFAULTFD must be enabled to have CtsUffdGcTestCases pass.

Note though that enabling CONFIG_USERFAULTFD requires the rebuilding of prebuilt kernel modules like wlan_drv_gen4*.ko since this kernel configuration change modifies the kernels module_layout symbol. Without rebuilding such prebuilt kernel modules will not be loaded by the kernel.

Signed-off-by: Felix Freimann felix.freimann@mediatek.com