[ARC] Configure script to allow non uclibc based triplets

gcc/
2017-07-10  Vineet Gupta <vgupta@synopsys.com>

        * config.gcc: Remove uclibc from arc target spec.

libgcc/
2017-07-10  Vineet Gupta <vgupta@synopsys.com>

        * config.host: Remove uclibc from arc target spec.

From-SVN: r250097

gcc/ChangeLog

+2017-07-10  Vineet Gupta <vgupta@synopsys.com>
+
+	* config.gcc: Remove uclibc from arc target spec.
+
 2017-07-10  Claudiu Zissulescu  <claziss@synopsys.com>
 
 	* config/arc/arc.h (ADDITIONAL_REGISTER_NAMES): Define.

gcc/config.gcc

@@ -1044,7 +1044,7 @@ arc*-*-elf*)
 	big*)	tm_file="arc/big.h ${tm_file}"
 	esac
 	;;
-arc*-*-linux-uclibc*)
+arc*-*-linux*)
 	tm_file="arc/arc-arch.h dbxelf.h elfos.h gnu-user.h linux.h linux-android.h glibc-stdint.h arc/linux.h ${tm_file}"
 	tmake_file="${tmake_file} arc/t-arc"
 	extra_gcc_objs="driver-arc.o"

libgcc/ChangeLog

+2017-07-10  Vineet Gupta <vgupta@synopsys.com>
+
+	* config.host: Remove uclibc from arc target spec.
+
 2017-07-09  Krister Walfridsson  <krister.walfridsson@gmail.com>
 
 	* config.host (*-*-netbsd*): Remove check for aout NetBSD releases.

libgcc/config.host

@@ -383,7 +383,7 @@ arc*-*-elf*)
 	extra_parts="crti.o crtn.o crtend.o crtbegin.o crtendS.o crtbeginS.o"
 	extra_parts="$extra_parts crttls.o"
 	;;
-arc*-*-linux-uclibc*)
+arc*-*-linux*)
 	tmake_file="${tmake_file} t-slibgcc-libgcc t-slibgcc-nolc-override arc/t-arc-uClibc arc/t-arc"
 	extra_parts="$extra_parts crti.o crtn.o"
 	extra_parts="$extra_parts crttls.o"