1. Fixed u-boot build when using u-boot release LSDK-20.04-update-290520
2. Added SD1 protocol #14 (100Gbps with PCIe gen3 x4) configuration
3. Removed UEFI from this git repository; mainline edk2-platforms now
supports most of the bits for LX2 and HoneyComb. For building uefi
repository refer to SolidRun github lx2160a_uefi repo.
Signed-off-by: Rabeeh Khoury <rabeeh@solid-run.com>