lenovo-lxf-p5100: new device

a working downsteam port

device/testing/device-lenovo-lxf-p5100/APKBUILD

+# Reference: <https://postmarketos.org/devicepkg>
+pkgname=device-lenovo-lxf-p5100
+pkgdesc="Lenovo Yoga Tab 3 10 LTE"
+pkgver=1
+pkgrel=0
+url="https://postmarketos.org"
+license="MIT"
+arch="armv7"
+options="!check !archcheck"
+depends="postmarketos-base linux-lenovo-lxf-p5100 mkbootimg xz mdss-fb-init-hack msm-fb-refresher"
+makedepends="devicepkg-dev"
+source="deviceinfo"
+build() {
+	devicepkg_build $startdir $pkgname
+}
+
+package() {
+	devicepkg_package $startdir $pkgname
+}
+
+sha512sums="
+9bd6205903abe27c9ed4410ff75582e7f29a705197a485982657b7e88f84f1bdb463a4fdecbd34fafdc83f09df6d953fcc419f895208b10d5f37a16ad8095c9c  deviceinfo
+"