Make linux-uclibcgnueabi an alias for linux-uclibceabi since it's
what we use in buildroot toolchains.
Also add support for musl libc which is a backport from 1.17.x with
a slight tweak for musleabi (non-hf).

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>

diff -Nura dpkg-1.16.15.orig/ostable dpkg-1.16.15/ostable
--- dpkg-1.16.15.orig/ostable	2014-11-07 08:09:07.358304926 -0300
+++ dpkg-1.16.15/ostable	2014-11-07 09:35:06.158580079 -0300
@@ -14,8 +14,10 @@
 # system part of the output of the GNU config.guess script.
 #
 # <Debian name>		<GNU name>		<config.guess regex>
-uclibceabi-linux	linux-uclibceabi	linux[^-]*-uclibceabi
+uclibceabi-linux	linux-uclibceabi	linux[^-]*-uclibc.*eabi
 uclibc-linux		linux-uclibc		linux[^-]*-uclibc
+musleabihf-linux	linux-musleabihf	linux[^-]*-musleabihf
+musl-linux		linux-musl		linux[^-]*-musl[^-]*
 gnueabihf-linux		linux-gnueabihf		linux[^-]*-gnueabihf
 gnueabi-linux		linux-gnueabi		linux[^-]*-gnueabi
 gnuabin32-linux		linux-gnuabin32		linux[^-]*-gnuabin32
@@ -33,6 +35,6 @@
 bsd-netbsd		netbsd			netbsd[^-]*
 bsd-openbsd		openbsd			openbsd[^-]*
 sysv-solaris		solaris			solaris[^-]*
-uclibceabi-uclinux	uclinux-uclibceabi	uclinux[^-]*-uclibceabi
+uclibceabi-uclinux	uclinux-uclibceabi	uclinux[^-]*-uclibc.*eabi
 uclibc-uclinux		uclinux-uclibc		uclinux[^-]*(-uclibc.*)?
 tos-mint		mint			mint[^-]*
diff -Nura dpkg-1.16.15.orig/triplettable dpkg-1.16.15/triplettable
--- dpkg-1.16.15.orig/triplettable	2014-11-07 08:09:07.345304482 -0300
+++ dpkg-1.16.15/triplettable	2014-11-07 09:35:29.098364036 -0300
@@ -5,6 +5,8 @@
 # <Debian triplet>	<Debian arch>
 uclibceabi-linux-arm	uclibc-linux-armel
 uclibc-linux-<cpu>	uclibc-linux-<cpu>
+musleabihf-linux-arm	musl-linux-armhf
+musl-linux-<cpu>	musl-linux-<cpu>
 gnueabihf-linux-arm	armhf
 gnueabi-linux-arm	armel
 gnuabin32-linux-mips64el	mipsn32el