build system: Test gccs that are actually used

Test that the compilers used for the target are
built by our buildgcc utility. Users can override
this test with the ANY_TOOLCHAIN Kconfig variable.

Change-Id: I24adf2c9b83667fd34ce8eb103327c9376765f6d
Signed-off-by: Patrick Georgi <>
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <>
Reviewed-by: Stefan Reinauer <>
2 files changed