compat-drivers: update genlog for 3.8

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

Upstream commit c67959a0021c65b195e746e7f7891f19a4f07b0c

The genlog script was giving the incorrect command
we use to generate the log for the kernel, fix this.

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