Store the power on defaults in the _REG method after the ERAM region is ready for use. It might not be ready when accessed from _INI. Tested on Lenovo T430. Change-Id: I70f22f8ac61dd850180fa159313bb0f8e4ab31d9 Signed-off-by: Patrick Rudolph <siro@das-labor.org> Reviewed-on: https://review.coreboot.org/27710 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>