WaRP7: proper fix when building meta-toolchain-qt5
WaRP7: proper fix when building meta-toolchain-qt5

Avoid this issue:

file /opt/warp7/2.3.2/sysroots/x86_64-warp7sdk-linux/environment-setup.d conflicts between attempted installs of nativesdk-cmake-3.7.2-r0.x86_64_nativesdk and nativesdk-qtbase-tools-5.8.0+git0+49dc9aa409-r0.x86_64_nativesdk

Signed-off-by: Pierre-Jean TEXIER <a4ee2cabad121dc5e19995f1ded171cdfaa10b66@gmail.com>

texierp/meta-warp7-distro,texierp/meta-warp7-distro,WaRP7/meta-warp7-distro,WaRP7/meta-warp7-distro