cs_keyboard: Enable configuration of bindings for Spices #844

Job	Run time
build / build (lmde6, linuxmintd/lmde6-amd64, LMDE 6, false) / LMDE 6	2m 58s
build / build (mint22, linuxmintd/mint22-amd64, Mint 22, true) / Mint 22	2m 49s
	5m 47s

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