Instead of directly accessing the region_name array use a helper
function. This allows to move the region name array to a separate
file.
Change-Id: Ifc810da1628cebd2728d0185502c462ff9428597
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/68694
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Lean Sheng Tan <sheng.tan@9elements.com>