improve kernel config
QSPI RootFS support
device tree split for HW rev 0100 / 0200
device tree split for TQMa7S / TQMa7D
improved Display Support (glyn, dmb)
improved support for FocalTech FT50x touch controller
improved QSPI support (1-1-4 command set)
improved MMC support (backport sysfs entries fro OCR, DSR)