[Odroid C2][3.16.85] CNTKCTL_EL1 part left uninitialized leaving userspace high precision timing on CNTVCT_EL0 unavailable

[grooverdan]

From MariaDB/mariadb-docker#338 and for @jmburges, @stoinov and others.

The result of this lack of initialization to 1 is a SIGILL on workloads like MariaDB as they attempt to obtain timing information.

The above issue has a working kernel module (bottom of issue) to set the cpu registers.

If you could make @geoffreyblake 's module available or rework the initialization in for each CPU into the core code that would be most appreciated.