src/pmdas/linux/mk.rewrite: fix a bunch of KERNEL_ULONG errors
src/pmdas/linux/mk.rewrite: fix a bunch of KERNEL_ULONG errors

This file had diverged from the PMDA, so the type rewriting rules
for KERNEL_ULONG (U32 or U64) were wrong in a number of places.

adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp