gitian-build.py - disable not building architechtures

- s390x-linux-gnu
- powerpc64-linux-gnu
- mipsel-linux-gnu
- mips-linux-gnu

Author: cevap

contrib/gitian-descriptors/gitian-linux.yml

@@ -20,10 +20,6 @@ packages:
 - "g++-8-riscv64-linux-gnu"
 - "gcc-8-riscv64-linux-gnu"
 - "binutils-riscv64-linux-gnu"
-- "g++-s390x-linux-gnu"
-- "g++-8-s390x-linux-gnu"
-- "gcc-8-s390x-linux-gnu"
-- "binutils-s390x-linux-gnu"
 - "g++-powerpc64le-linux-gnu"
 - "g++-8-powerpc64le-linux-gnu"
 - "gcc-8-powerpc64le-linux-gnu"
@@ -32,18 +28,6 @@ packages:
 - "g++-8-i686-linux-gnu"
 - "gcc-8-i686-linux-gnu"
 - "binutils-i686-linux-gnu"
-- "g++-mips-linux-gnu"
-- "g++-8-mips-linux-gnu"
-- "gcc-8-mips-linux-gnu"
-- "binutils-mips-linux-gnu"
-- "g++-mipsel-linux-gnu"
-- "g++-8-mipsel-linux-gnu"
-- "gcc-8-mipsel-linux-gnu"
-- "binutils-mipsel-linux-gnu"
-- "g++-powerpc64-linux-gnu"
-- "g++-8-powerpc64-linux-gnu"
-- "gcc-8-powerpc64-linux-gnu"
-- "binutils-powerpc64-linux-gnu"
 - "g++-8-multilib"
 - "gcc-8-multilib"
 - "binutils-gold"
@@ -68,7 +52,7 @@ script: |
   set -e -o pipefail
 
   WRAP_DIR=$HOME/wrapped
-  HOSTS="i686-pc-linux-gnu x86_64-linux-gnu arm-linux-gnueabihf aarch64-linux-gnu riscv64-linux-gnu powerpc64le-linux-gnu s390x-linux-gnu powerpc64-linux-gnu mipsel-linux-gnu mips-linux-gnu" #
+  HOSTS="i686-pc-linux-gnu x86_64-linux-gnu arm-linux-gnueabihf aarch64-linux-gnu riscv64-linux-gnu powerpc64le-linux-gnu" # s390x-linux-gnu powerpc64-linux-gnu mipsel-linux-gnu mips-linux-gnu
   CONFIGFLAGS="--enable-glibc-back-compat --enable-reduce-exports --disable-bench --disable-gui-tests"
   FAKETIME_HOST_PROGS="gcc g++"
   FAKETIME_PROGS="date ar ranlib nm"