rpi-userland: update to 20210623.

Install man pages, link commonly used tools to /usr/bin.

srcpkgs/rpi-userland/template

@@ -1,9 +1,9 @@
 # Template file for 'rpi-userland'
-_githash="093b30bbc2fd083d68cc3ee07e6e555c6e592d11"
+_githash="97bc8180ad682b004ea224d1db7b8e108eda4397"
 _gitshort="${_githash:0:7}"
 
 pkgname=rpi-userland
-version=20210110
+version=20210623
 revision=1
 wrksrc="userland-${_githash}"
 build_style=cmake
@@ -14,7 +14,7 @@ maintainer="Orphaned <orphan@voidlinux.org>"
 license="BSD-3-Clause"
 homepage="https://github.com/raspberrypi/userland"
 distfiles="https://github.com/raspberrypi/userland/archive/${_githash}.tar.gz"
-checksum=b23fc0849d282a8ba27b821cb8f63fa2ebc2ae8aa3cba0664ce3809ea814507b
+checksum=d67def03931215f41b741aed5a3a1bc2bd62fa33f5cc14692e9a4d65f2e0ea27
 
 LDFLAGS="-Wl,--no-as-needed"
 archs="armv6l* armv7l* aarch64*"
@@ -55,6 +55,13 @@ post_install() {
 	vlicense LICENCE
 	rm -rf ${DESTDIR}/etc
 	rm -rf ${DESTDIR}/opt/vc/share
+
+	vmkdir usr/share
+	mv ${DESTDIR}/opt/vc/man ${DESTDIR}/usr/share
+
+	vmkdir usr/bin
+	ln -sfr ${DESTDIR}/opt/vc/bin/tvservice ${DESTDIR}/usr/bin
+	ln -sfr ${DESTDIR}/opt/vc/bin/vcgencmd ${DESTDIR}/usr/bin
 }
 
 rpi-userland-devel_package() {