Enable the compiler's stack protector for detecting stack overflow
issues.
Though TC platform can generate RNG from RSE via MHU channel, the
stack protector canary is used prior to MHU channel initialization.
Thus, currently here simply returns a value of the combination of a
timer's value and a compile-time constant.
Signed-off-by: Leo Yan <leo.yan@arm.com>
Signed-off-by: Icen Zeyada <Icen.Zeyada2@arm.com>
Change-Id: I68fcc7782637b2b6b4dbbc81bc15df8c5ce0040b
