temp/qemu: Import qemu from upstream aports (!312)

.../0001-elfload-load-PIE-executables-to-right-address.patch

...qemu/0001-linux-user-fix-build-with-musl-on-aarch64.patch

...qemu/0001-linux-user-fix-build-with-musl-on-ppc64le.patch

...inux-user-signal.c-define-__SIGRTMIN-MAX-for-non-GN.patch

temp/qemu/80-kvm.rules

temp/qemu/APKBUILD

temp/qemu/atomic-bswap.patch

temp/qemu/bridge.conf

temp/qemu/fix-sigevent-and-sigval_t.patch

temp/qemu/fix-sockios-header.patch

temp/qemu/guest-agent-shutdown.patch

.../ignore-signals-33-and-64-to-allow-golang-emulation.patch

temp/qemu/musl-F_SHLCK-and-F_EXLCK.patch

temp/qemu/ncurses.patch

temp/qemu/qemu-guest-agent.confd

temp/qemu/qemu-guest-agent.initd

temp/qemu/qemu.post-install

temp/qemu/qemu.pre-install

temp/qemu/test-crypto-ivgen-skip-essiv.patch

temp/qemu/xattr_size_max.patch