testing/blender: Disable on ppc64le

Disabling the blender build on ppc64le due to the following issue:

 pragma message "We don't know how to use malloc_usable_size on your platform"

Once we understand what is missing, it should be enabled.

testing/blender/APKBUILD

@@ -6,7 +6,7 @@ _pkgver=${pkgver/[a-z]}
 pkgrel=1
 pkgdesc="3D Creation/Animation/Publishing System"
 url="http://www.blender.org/"
-arch="all !armhf !aarch64"
+arch="all !armhf !aarch64 !ppc64le"
 license="GPL2"
 depends="blender-shared=$pkgver-r$pkgrel"
 makedepends="cmake libx11-dev jpeg-dev zlib-dev libpng-dev freetype-dev python3-dev