V4L/DVB (12432): em28xx: fix regression in Empire DualTV digital tuning

Restore support for digital tuning caused by regression during introduction
of disable_i2c_gate parameter to zl10353 driver.

Thanks to user "Xwang" for reporting the problem and testing the fix

Cc: Xwang <[e-mail]>
Signed-off-by: Devin Heitmueller <[e-mail]>
Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

drivers/media/video/em28xx/em28xx-dvb.c

···
 		}
 		break;
 	case EM2880_BOARD_KWORLD_DVB_310U:
-	case EM2880_BOARD_EMPIRE_DUAL_TV:
 		dvb->frontend = dvb_attach(zl10353_attach,
 					   &em28xx_zl10353_with_xc3028,
 					   &dev->i2c_adap);
···
 		}
 		break;
 	case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900:
+	case EM2880_BOARD_EMPIRE_DUAL_TV:
 		dvb->frontend = dvb_attach(zl10353_attach,
 					   &em28xx_zl10353_xc3028_no_i2c_gate,
 					   &dev->i2c_adap);