Merge pull request #1724 from JDevlieghere/TestSwiftCustomTriple.py

[lldb] Fix TestSwiftCustomTriple.py after upstream TRIPLE logic change

Author: shahmishal

lldb/test/API/lang/swift/custom_triple/Makefile

@@ -1,5 +1,4 @@
 SWIFT_SOURCES := main.swift
-TRIPLE := x86_64-awesomevendor-linux
-SWIFTFLAGS_EXTRAS := -parse-stdlib
+SWIFTFLAGS_EXTRAS := -parse-stdlib -target x86_64-awesomevendor-linux
 
 include Makefile.rules