Set the WiFi regulatory domain properly on the Elipsa

No idea how restrictive the defaults are, but stuff is weird in the 5G
band, so, do it right.

platform/kobo/enable-wifi.sh

@@ -33,11 +33,23 @@ fi
 usleep 250000
 # NOTE: Used to be exported in WIFI_MODULE_PATH before FW 4.23
 if ! grep -q "${WIFI_MODULE}" "/proc/modules"; then
+    # Set the Wi-Fi regulatory domain properly if necessary...
+    WIFI_COUNTRY_CODE_PARM=""
+    if grep -q "^WifiRegulatoryDomain=" "/mnt/onboard/.kobo/Kobo/Kobo eReader.conf"; then
+        WIFI_COUNTRY_CODE="$(grep "^WifiRegulatoryDomain=" "/mnt/onboard/.kobo/Kobo/Kobo eReader.conf" | cut -d '=' -f2)"
+
+        case "${WIFI_MODULE}" in
+            "8821cs")
+                WIFI_COUNTRY_CODE_PARM="rtw_country_code=${WIFI_COUNTRY_CODE}"
+                ;;
+        esac
+    fi
+
     if [ -e "/drivers/${PLATFORM}/wifi/${WIFI_MODULE}.ko" ]; then
-        insmod "/drivers/${PLATFORM}/wifi/${WIFI_MODULE}.ko"
+        insmod "/drivers/${PLATFORM}/wifi/${WIFI_MODULE}.ko" "${WIFI_COUNTRY_CODE_PARM}"
     elif [ -e "/drivers/${PLATFORM}/${WIFI_MODULE}.ko" ]; then
         # NOTE: Modules are unsorted on Mk. 8
-        insmod "/drivers/${PLATFORM}/${WIFI_MODULE}.ko"
+        insmod "/drivers/${PLATFORM}/${WIFI_MODULE}.ko" "${WIFI_COUNTRY_CODE_PARM}"
     fi
 fi
 # Race-y as hell, don't try to optimize this!