-74ac5b, Export arm/arm64 arch_sync_dma_for_device api. -5c342e, Fix ion arm api. -d9b948, Add C906L rst/unrst/reset syscall. Change-Id: Id2764250d02c62715b79480ad6b6fcc3a20aad48
Please follow buildroot tips to startup T-HEAD C9xx CPU's boards: T-HEAD buildroot