Add blobtools as package for tf101 (#1115)

This is for making a kernel image for the TF101 easier. See also:
ttps://github.com/postmarketOS/pmbootstrap/pull/1103#issuecomment-357035481

The TF101 does not support normal Android boot images and instead needs
a blob to be created.

main/blobtools/APKBUILD

@@ -0,0 +1,28 @@
+pkgname=blobtools
+pkgver=0.0_git20121024
+pkgrel=0
+pkgdesc="Tools for unpacking & repacking blobs used for updating 'hidden' partitions on ASUS Transformer"
+url="https://github.com/AndroidRoot/BlobTools"
+arch="all"
+license="Apache-2.0"
+options="!check"
+depends=""
+makedepends=""
+subpackages=""
+
+_commit=6186e33baa10ce6f1c738d7b91eb5153743105af
+source="$pkgname-$_commit.tar.gz::https://github.com/AndroidRoot/BlobTools/archive/${_commit}.tar.gz"
+
+builddir="$srcdir"/BlobTools-$_commit
+build() {
+	cd "$builddir"
+	make
+}
+
+package() {
+	for i in "$builddir"/blobpack "$builddir"/blobunpack; do
+		install -Dm755 "$i" "$pkgdir"/usr/bin/"$(basename "$i")"
+	done
+}
+
+sha512sums="69e1113c1d99f1aa930cc6674d6a0473baf9648c4c3f4da37aa44cb42648a40fe15d0a4a72815baa1118bdca36b0084b4efe82ff75549d233498a5637e98508d  blobtools-6186e33baa10ce6f1c738d7b91eb5153743105af.tar.gz"