grsecurity: Fix build under new generic kernel derivation
grsecurity: Update stable and test patches

stable: 3.0-3.2.53-201312021727 -> 3.0-3.2.54-201401191012
test:   3.0-3.12.2-201312021733 -> 3.0-3.12.8-201401191015
Merge pull request #1567 from wizeman/u/grsec-upd-and-fix

grsecurity: Fix build and update patches