Pass CROSS_COMPILE to the kernel build system when compiling kernel
modules. Although we export CC etc. the top level kernel Makefile will
override the environment. As a result it will end up using wrong tools
if cross-compilation is desired but CROSS_COMPILE is not set.
Signed-off-by: Aaro Koskinen <aaro.koskinen@nsn.com>
Acked-by: Thomas Monjalon <thomas.monjalon@6wind.com>
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