main/linux-grsec: upgrade to 3.14.22

fixes #3432
main/linux-gsrec: enable support for cherry keyboards

fixes #3469
main/dahdi-linux-grsec: rebuild against kernel 3.14.22-r1
main/flashcache-grsec: rebuild against kernel 3.14.22-r1
main/ipfw-grsec: rebuild against kernel 3.14.22-r1
main/xtables-addons-grsec: rebuild against kernel 3.14.22-r1
testing/ipt-netflow-grsec: rebuild against kernel 3.14.22-r1
testing/spl-grsec: rebuild against kernel 3.14.22-r1
testing/virtualbox-additions-grsec: rebuild against kernel 3.14.22-r1
main/linux-vanilla: upgrade to 3.14.22
main/linux-vanilla: enable cherry keyboards

ref #3469

(cherry picked from commit 4f74683e60f3433a35ccd3fed6c09797c22d00f7)