gcc: libsanitizer: Guard cyclades inclusion in sanitizer

[heitbaum]

Compile of gcc fails with kernels 5.12 and greater, as linux/cyclades.h include file has been removed.

References:

• https://reviews.llvm.org/D102059
• https://lore.kernel.org/patchwork/patch/1422921/

[warpme]

Rudi, It looks (by coincidence) I already approached this issue (https://github.com/warpme/minimyth2/commit/7afea4364a5ab9aa7f9672982a6cebb97e10b02a)

[heitbaum]

:-) great minds think alike.

[warpme]

eh - nice to have here second pair of eyes (and mind) :-))))