arm64: cputype: Add missing MIDR values for Cortex-A72 and Cortex-A75

arm64: cputype: Add missing MIDR values for Cortex-A72 and Cortex-A75

BugLink: http://bugs.launchpad.net/bugs/1751064
Commit a65d219fe5dc upstream.

Hook up MIDR values for the Cortex-A72 and Cortex-A75 CPUs, since they
will soon need MIDR matches for hardening the branch predictor.

Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>