CI: Rename travis script directory

This is a preparation for adding GitHub Actions support.

Also run from root directory. It's a bit confusing to run from
travis directory.

Signed-off-by: Petr Vorel <pvorel@suse.cz>
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>

ci/alpine.sh

@@ -0,0 +1,50 @@
+#!/bin/sh
+# Copyright (c) 2020 Petr Vorel <pvorel@suse.cz>
+set -ex
+
+if [ -z "$CC" ]; then
+	echo "missing \$CC!" >&2
+	exit 1
+fi
+
+case "$TSS" in
+ibmtss) echo "No IBM TSS package, will be installed from git" >&2; TSS=;;
+tpm2-tss) TSS="tpm2-tss-dev";;
+'') echo "Missing TSS!" >&2; exit 1;;
+*) echo "Unsupported TSS: '$TSS'!" >&2; exit 1;;
+esac
+
+# ibmswtpm2 requires gcc
+[ "$CC" = "gcc" ] || CC="gcc $CC"
+
+apk update
+
+apk add \
+	$CC $TSS \
+	asciidoc \
+	attr \
+	attr-dev \
+	autoconf \
+	automake \
+	diffutils \
+	docbook-xml \
+	docbook-xsl \
+	keyutils-dev \
+	libtool \
+	libxslt \
+	linux-headers \
+	make \
+	musl-dev \
+	openssl \
+	openssl-dev \
+	pkgconfig \
+	procps \
+	sudo \
+	wget \
+	which \
+	xxd
+
+if [ ! "$TSS" ]; then
+	apk add git
+	../tests/install-tss.sh
+fi