testing/mame: disable for ppc64le

In file included from ../../../../../3rdparty/bimg/src/image.cpp:6:
In file included from ../../../../../3rdparty/bimg/src/bimg_p.h:11:
In file included from ../../../../../3rdparty/bx/include/bx/readerwriter.h:10:
In file included from ../../../../../3rdparty/bx/include/bx/endian.h:48:
../../../../../3rdparty/bx/include/bx/inline/endian.inl:52:10: error: call to 'endianSwap' is ambiguous
                return endianSwap(_in);

testing/mame/APKBUILD

@@ -6,7 +6,7 @@ _pkgver=${pkgver/.}
 pkgrel=0
 pkgdesc="Multi Arcade Machine Emulator with GroovyMAME/Switchres/No-nag patchset."
 url="https://mamedev.org"
-arch="all"
+arch="all !ppc64le"
 license="GPL-2.0-or-later"
 depends="$pkgname-common"
 makedepends="