[coreboot-gerrit] Change in coreboot[master]: device/Kconfig: Make Ada dependent on GCC toolchain

[Nico Huber (Code Review)]

Nico Huber has posted comments on this change. ( https://review.coreboot.org/21355 )

Change subject: device/Kconfig: Make Ada dependent on GCC toolchain
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Patch Set 1: Code-Review-1

It's probably no problem at all to use a combination of Clang/GNAT.
Is there any board with libgfxinit yet that compiles with Clang? I'd
like to test it and untangle this. Should be only some changes to
`toolchain.inc`.