Refreshed all patches.

Remove upstreamed:
- 0004-boot-sq201-from-sda1.patch
- 500-v4.20-ubifs-Fix-default-compression-selection-in-ubifs.patch
- 0003-usb-dwc2-use-a-longer-core-rest-timeout-in-dwc2_core.patch

Altered patches:
- 0011-ARM-dts-Fix-up-SQ201-flash-access.patch
- 400-mtd-add-rootfs-split-support.patch
- 0101-pci-mediatek-backport-fix-pcie.patch

Compile-tested on: cns3xxx
Runtime-tested on: cns3xxx

Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>