WRDD method in wifi.asl returns the regulatory domain code. This value
is read from VPD in wifi_regulatory_domain() and saved to global nvs if
CONFIG_HAVE_REGULATORY_DOMAIN is enabled. It returns default code if
CONFIG_HAVE_REGULATORY_DOMAIN is not enabled.
Change-Id: I6e96bdf0fe93ae30a3afdcb63a0f89ce21023704
Signed-off-by: Hannah Williams <hannah.williams@intel.com>
Reviewed-on: https://review.coreboot.org/13055
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>