build with Atheros ATH79 SDK (out of tree):
extends: .openwrt-sdk-oot-build_ath79-generic
-build with Freescale i.MX 6 SDK (out of tree):
- extends: .openwrt-sdk-oot-build_imx6-generic
+build with Freescale i.MX Cortex-A9 SDK (out of tree):
+ extends: .openwrt-sdk-oot-build_imx-cortexa9
build with MIPS Malta CoreLV BE SDK (out of tree):
extends: .openwrt-sdk-oot-build_malta-be