Fix an off-by-one error in lg216x_write_regs, causing the last element
of the lg216x init block to be ignored.  Spotted by Dan Carpenter.
Reported-by: NDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: NMichael Krufky <mkrufky@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>