lib/program_loaders.c: Mark run_ramstage with __noreturn
This allows the compiler to optimize out code called after run_ramstage.
Also remove some die() statements in soc code as run_ramstage already
has a die_with_postcode statement.
Change-Id: Id8b841712661d3257b0dc67b509f97bdc31fcf6f
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/65811
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-by: Julius Werner <jwerner@chromium.org>