Following changes are made to fix Devon build issue: - conditionally enable spi CS Hold Time feature based on product flag - include proper spi header file depending on kernel version For details please refer to: https://gerrit.mot.com/2630767 Change-Id: I7d1e6e55ccde912442f11c71f1f92e5302318315 Reviewed-on: https://gerrit.mot.com/2637062 SLTApproved: Slta Waiver SME-Granted: SME Approvals Granted Tested-by: Jira Key Reviewed-by: Bruno Oliveira <brunosoe@motorola.com> Reviewed-by: Huosheng Liao <liaohs@motorola.com> Submit-Approved: Jira Key