In romstage malloc is not available, so use CAR_GLOBAL
variable instead.
BUG=b:78106689
TEST=Boot to OS
Change-Id: If9438d0b707c6ffaa61db80bd1d385112bc91cfc
Signed-off-by: Bora Guvendik <bora.guvendik@intel.com>
Reviewed-on: https://review.coreboot.org/25067
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>