[media] siano: store firmware version

As there are some changes that seem to be firmware-dependent,
we need to store the firmware version, as we don't want to break
support for existing cards that use a legacy (and sometimes
custom) firmware.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/common/siano/smscoreapi.c

@@ -1359,6 +1359,8 @@ void smscore_onresponse(struct smscore_device_t *coredev,
 			coredev->mode = ver->FirmwareId == 255 ?
 				DEVICE_MODE_NONE : ver->FirmwareId;
 			coredev->modes_supported = ver->SupportedProtocols;
+			coredev->fw_version = ver->RomVersionMajor << 8 |
+					      ver->RomVersionMinor;
 
 			complete(&coredev->version_ex_done);
 			break;

drivers/media/common/siano/smscoreapi.h

@@ -178,6 +178,7 @@ struct smscore_device_t {
 	/* Firmware */
 	u8 *fw_buf;
 	u32 fw_buf_size;
+	u16 fw_version;
 
 	/* Infrared (IR) */
 	struct ir_t ir;