compat-drivers: add genlog-3.8

Signed-off-by: Luis R. Rodriguez <mcgrof@do-not-panic.com>
compat-drivers: update genlog-3.8

This updates genlog-3.8 so it adds the extra version postfix
number. Even though the Linux kernel release may remain stable
we may at times make a new release of compat-drivers to update
fixes for backporting.

Signed-off-by: Luis R. Rodriguez <mcgrof@do-not-panic.com>