Explicitly specify TARGETED_DEVICE_FAMILY for tvOS target

Otherwise it inherits "1,2" which is the iOS device family, and then xcodebuild will complain when it tries to build with the `appletvsimulator` sdk

Carthage/TTTAttributedLabel.xcodeproj/project.pbxproj

@@ -214,6 +214,7 @@
 				PRODUCT_NAME = TTTAttributedLabel;
 				SDKROOT = appletvos;
 				SKIP_INSTALL = YES;
+				TARGETED_DEVICE_FAMILY = 3;
 			};
 			name = Debug;
 		};
@@ -231,6 +232,7 @@
 				PRODUCT_NAME = TTTAttributedLabel;
 				SDKROOT = appletvos;
 				SKIP_INSTALL = YES;
+				TARGETED_DEVICE_FAMILY = 3;
 			};
 			name = Release;
 		};
@@ -276,6 +278,7 @@
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
 				TARGETED_DEVICE_FAMILY = "1,2";
+				TVOS_DEPLOYMENT_TARGET = 9.0;
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
 			};
@@ -316,6 +319,7 @@
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				TARGETED_DEVICE_FAMILY = "1,2";
+				TVOS_DEPLOYMENT_TARGET = 9.0;
 				VALIDATE_PRODUCT = YES;
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";