[media] tvp5150: Fix device ID kernel log message

X-Patchwork-Delegate: mchehab@redhat.com
The driver mistakenly prints the ROM version instead of the device ID to
the kernel log when detecting the chip. Fix it.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>