[U-Boot] [PATCH v2 1/2] travis: Setup QEMU_VERSION as variable

[Michal Simek]

This change enables setting up specific Qemu version or sha1 for new
targets which are added after (current) v3.0.0 version.
This changes is preparation step for adding new Xilinx Versal Virt
platform which was merge after v3.0.0.

Signed-off-by: Michal Simek <michal.simek at xilinx.com>
Reviewed-by: Bin Meng <bmeng.cn at gmail.com>
---

Changes in v2: None

 .travis.yml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index 321fd793a756..6e4b4ba0a34a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -63,6 +63,7 @@ env:
     - BUILD_DIR=build
     - HOSTCC="cc"
     - HOSTCXX="c++"
+    - QEMU_VERSION="v3.0.0"
 
 before_script:
   # install toolchains based on TOOLCHAIN} variable
@@ -97,7 +98,7 @@ before_script:
        git clone git://git.qemu.org/qemu.git /tmp/qemu;
        pushd /tmp/qemu;
        git submodule update --init dtc &&
-       git checkout v3.0.0 &&
+       git checkout ${QEMU_VERSION} &&
        ./configure --prefix=/tmp/qemu-install --target-list=${QEMU_TARGET} &&
        make -j4 all install;
        popd;
-- 
1.9.1