Commit ccac9a5bbb ("boot/arm-trusted-firmware: don't force
ENABLE_STACK_PROTECTOR") fixed a build failure but also effectively
disabled SSP entirely for ATF. This is because ENABLE_STACK_PROTECTOR is
set to 0 unconditionally in make_helpers/defaults.mk, overwriting any
environment set value. So we must pass ENABLE_STACK_PROTECTOR in
MAKE_OPTS for it to be effective. But to avoid said build failure we
can't pass ENABLE_STACK_PROTECTOR=0.
Only pass ENABLE_STACK_PROTECTOR when
BR2_TARGET_ARM_TRUSTED_FIRMWARE_SSP is enabled. Drop SSP_LEVEL value for
the !BR2_TARGET_ARM_TRUSTED_FIRMWARE_SSP case which is now unused.
Cc: Dick Olsson <hi@senzilla.io>
Cc: Sergey Matyukevich <geomatsi@gmail.com>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
09acc7cbc9