For SST chips, the Write-Status-Register instruction must be executed immediately after the execution of the Enable-Write-Status-Register instruction, instead of Write-Enable. Change-Id: I4b3473cd671829def3bd1641ececcf8d9dad4a56 Signed-off-by: Zheng Bao <zheng.bao@amd.com> Signed-off-by: zbao <fishbaozi@gmail.com> Reviewed-on: http://review.coreboot.org/1919 Tested-by: build bot (Jenkins) Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>