staging: sm7xx: remove driver version support

This patch removes non used version support. Code won't show version
message almost 4 years old.

Tested with SM712

Signed-off-by: Javier M. Mellid <jmunhoz@igalia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2 files changed