newlib: remove old xtensa fork

target/config/Config.in.libc

@@ -174,12 +174,7 @@ config ADK_TARGET_LIB_MUSL_GIT
 
 config ADK_TARGET_LIB_NEWLIB_4_4_0
 	bool "4.4.0"
-	depends on ADK_TARGET_LIB_NEWLIB \
+	depends on ADK_TARGET_LIB_NEWLIB
-		&& !ADK_TARGET_ARCH_XTENSA
-
-config ADK_TARGET_LIB_NEWLIB_XTENSA
-	bool "xtensa"
-	depends on ADK_TARGET_LIB_NEWLIB && ADK_TARGET_ARCH_XTENSA
 
 config ADK_TARGET_LIB_NEWLIB_GIT
 	bool "git"

toolchain/newlib/Makefile.inc

@@ -15,10 +15,3 @@ PKG_HASH:=		0c166a39e1bf0951dfafcd68949fe0e4b6d3658081d6282f39aeefc6310f2f13
 PKG_SITES:=		ftp://sourceware.org/pub/newlib/
 DISTFILES:=		${PKG_NAME}-${PKG_VERSION}.tar.gz
 endif
-ifeq ($(ADK_TARGET_LIB_NEWLIB_XTENSA),y)
-PKG_VERSION:=		xtensa
-PKG_GIT:=		branch
-PKG_RELEASE:=		1
-PKG_SITES:=		https://github.com/jcmvbkbc/newlib-xtensa.git
-DISTFILES:=		${PKG_NAME}-${PKG_VERSION}.tar.xz
-endif

toolchain/newlib/patches/3.1.0/fix-tooldir.patch

@@ -1,12 +0,0 @@
-diff -Nur newlib-2.2.0-1.orig/configure newlib-2.2.0-1/configure
---- newlib-2.2.0-1.orig/configure	2014-07-05 23:09:07.000000000 +0200
-+++ newlib-2.2.0-1/configure	2015-11-25 06:33:11.461178398 +0100
-@@ -6985,7 +6985,7 @@
- 
- # Some systems (e.g., one of the i386-aix systems the gas testers are
- # using) don't handle "\$" correctly, so don't use it here.
--tooldir='${exec_prefix}'/${target_noncanonical}
-+tooldir='${exec_prefix}'
- build_tooldir=${tooldir}
- 
- # Create a .gdbinit file which runs the one in srcdir

toolchain/newlib/patches/git/fix-tooldir.patch

@@ -1,12 +0,0 @@
-diff -Nur newlib-2.2.0-1.orig/configure newlib-2.2.0-1/configure
---- newlib-2.2.0-1.orig/configure	2014-07-05 23:09:07.000000000 +0200
-+++ newlib-2.2.0-1/configure	2015-11-25 06:33:11.461178398 +0100
-@@ -6985,7 +6985,7 @@
- 
- # Some systems (e.g., one of the i386-aix systems the gas testers are
- # using) don't handle "\$" correctly, so don't use it here.
--tooldir='${exec_prefix}'/${target_noncanonical}
-+tooldir='${exec_prefix}'
- build_tooldir=${tooldir}
- 
- # Create a .gdbinit file which runs the one in srcdir

toolchain/newlib/patches/newlib-xtensa/fix-tooldir.patch

@@ -1,12 +0,0 @@
-diff -Nur newlib-xtensa.orig/configure newlib-xtensa/configure
---- newlib-xtensa.orig/configure	2017-12-29 15:26:12.000000000 +0100
-+++ newlib-xtensa/configure	2017-12-29 15:35:01.420208845 +0100
-@@ -6847,7 +6847,7 @@
- 
- # Some systems (e.g., one of the i386-aix systems the gas testers are
- # using) don't handle "\$" correctly, so don't use it here.
--tooldir='${exec_prefix}'/${target_noncanonical}
-+tooldir='${exec_prefix}'
- build_tooldir=${tooldir}
- 
- # Create a .gdbinit file which runs the one in srcdir