Waldemar Brodkorb 8fb4f8b834 c-sky: remove ck607 abiv1 support as it is deprecated, default to gcc 9.2.0, allow qemu to be build big/little endian %!s(int64=7) %!d(string=hai) anos
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qemu-csky-ck807 cd0e5af236 csky: fix qemu system emulation %!s(int64=8) %!d(string=hai) anos
qemu-csky-ck810 cd0e5af236 csky: fix qemu system emulation %!s(int64=8) %!d(string=hai) anos