OpenThread updates for kirkstone port of the gateway blueprint

This disables the antenna firmware build with the ACM0 console enabled and bumps OT version to 1.2.

meta-zephyr-core/recipes-kernel/zephyr-kernel/zephyr-openthread-rcp.bb

@@ -2,9 +2,15 @@ include zephyr-sample.inc
 
 ZEPHYR_SRC_DIR = "${S}/samples/net/openthread/coprocessor"
 
-EXTRA_OECMAKE += "-DCONF_FILE="prj.conf overlay-rcp.conf overlay-usb-nrf-br.conf" -DDTC_OVERLAY_FILE="usb.overlay""
+EXTRA_OECMAKE += "-DCONF_FILE="prj.conf overlay-rcp.conf overlay-usb-nrf-br.conf" -DDTC_OVERLAY_FILE="usb.overlay" -DCONFIG_OPENTHREAD_THREAD_VERSION_1_2=y"
 
 # The overlay config and OpenThread itself imposes some specific requirements
 # towards the boards (e.g. flash layout and ieee802154 radio) so we need to
 # limit to known working machines here.
 COMPATIBLE_MACHINE = "(arduino-nano-33-ble)"
+
+python __anonymous() {
+    has_acm0 = d.getVar("ONIRO_ENABLE_ACM0")
+    if has_acm0 and has_acm0 != "0":
+        raise bb.parse.SkipRecipe("OpenThread coprocessor cannot work with the ACM0 console enabled")
+}