add support for gdbserver on AVR32 devices

Happily I got the old gdb tarball from buildroot source
repository. (thx Yann)
Mirror the package and make it compile for native gdbserver.
Patches need to be shuffled to version directories.

package/gdb/Makefile

@@ -11,7 +11,7 @@ PKG_DEPENDS:=		libthread-db libncurses libexpat zlib
 PKG_BUILDDEP:=		ncurses readline expat zlib
 PKG_NOPARALLEL:=	1
 
-PKG_ARCH_DEPENDS:=	!m68k
+PKG_ARCH_DEPENDS:=	!m68k !avr32
 
 PKG_BUILDDEP_UCLIBC:=	libiconv-tiny
 PKG_BUILDDEP_UCLIBC_NG:=libiconv-tiny

package/gdbserver/Makefile

@@ -9,8 +9,13 @@ PKG_DESCR:=		remote programm debugger utility
 PKG_SECTION:=		app/debug
 PKG_LIBC_DEPENDS:=	!musl
 
+ifeq ($(ADK_TOOLCHAIN_GDB_6_7_1),y)
+DISTFILES:=		gdb-6.7.1-avr32-2.1.5.tar.bz2
+WRKDIST=		$(WRKDIR)/gdb-6.7.1-avr32-2.1.5
+else
 DISTFILES:=		gdb-${PKG_VERSION}.tar.xz
 WRKDIST=		${WRKDIR}/gdb-${PKG_VERSION}
+endif
 WRKSRC=                 ${WRKDIST}/gdb/gdbserver
 
 include ${ADK_TOPDIR}/mk/package.mk

toolchain/gdb/Makefile.inc

@@ -12,8 +12,8 @@ endif
 ifeq ($(ADK_TOOLCHAIN_GDB_6_7_1),y)
 PKG_VERSION:=		6.7.1
 PKG_RELEASE:=		1
-PKG_HASH:=		d763a458c88d4718aa19060d003de4e884f4ac87a9e88d2d35e776b53eeca2f4
-PKG_SITES:=		http://distribute.atmel.no/tools/avr32/old/avr32gnutoolchain/v2.4.2/source/
-DISTFILES:=		avr32-gdb-6.7.1.atmel.1.0.4.tar.gz
-WRKDIST=		$(WRKDIR)/gdb-6.7.1.atmel.1.0.4
+PKG_HASH:=		a34c65163a2428e24891466b1f095249bc6301b64cfe9480f3aba341b58c3434
+PKG_SITES:=		http://www.openadk.org/distfiles/
+DISTFILES:=		gdb-6.7.1-avr32-2.1.5.tar.bz2
+WRKDIST=		$(WRKDIR)/gdb-6.7.1-avr32-2.1.5
 endif