Add support for vita #965

Job	Run time
Check (armv7-sony-vita-newlibeabihf)	38s
Test (stable)	31s
Test (1.63.0)	3m 53s
Clippy	19s
Test (beta)	30s
Check (aarch64-apple-ios)	20s
Docs (aarch64-apple-ios)	20s
Test (nightly)	27s
Check (aarch64-linux-android)	22s
Docs (aarch64-linux-android)	17s
Docs (armv7-sony-vita-newlibeabihf)	45s
Test (macos)	48s
Check (x86_64-apple-darwin)	21s
Docs (x86_64-apple-darwin)	19s
Test (windows)	1m 7s
Check (x86_64-unknown-fuchsia)	25s
Docs (x86_64-unknown-fuchsia)	18s
Check (x86_64-pc-windows-msvc)	22s
Rustfmt	18s
Docs (x86_64-pc-windows-msvc)	18s
Check (x86_64-pc-solaris)	27s
Docs (x86_64-pc-solaris)	16s
Check (x86_64-unknown-freebsd)	21s
Docs (x86_64-unknown-freebsd)	22s
Check (x86_64-unknown-illumos)	22s
Docs (x86_64-unknown-illumos)	20s
Check (x86_64-unknown-linux-gnu)	21s
Docs (x86_64-unknown-linux-gnu)	21s
Check (x86_64-unknown-linux-musl)	23s
Docs (x86_64-unknown-linux-musl)	20s
Check (x86_64-unknown-netbsd)	21s
Docs (x86_64-unknown-netbsd)	22s
Check (x86_64-unknown-redox)	25s
Docs (x86_64-unknown-redox)	15s
Check (armv7-linux-androideabi)	21s
Docs (armv7-linux-androideabi)	17s
Check (i686-linux-android)	24s
Docs (i686-linux-android)	20s
	18m 56s

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