script: Use minimum dependency to avoid a storage issue

The below error occurs on `acs` and `tf-a-tests`.

```
error: failed to extract package (perhaps you ran out of disk space?): No space left on device (os error 28)
info: syncing channel updates for 'nightly-2023-09-05-x86_64-unknown-linux-gnu'
info: latest update on 2023-09-05, rust version 1.74.0-nightly (ec08a0337 2023-09-04)
info: downloading component 'cargo'
info: downloading component 'rust-std'
info: downloading component 'rustc'
info: installing component 'cargo'
info: installing component 'rust-std'
info: installing component 'rustc'
info: rolling back changes
error: failed to extract package (perhaps you ran out of disk space?)
```

.github/workflows/ci.yml

@@ -39,11 +39,9 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v3
-        with:
-          submodules: true
 
       - name: Install dependencies
-        run: ./scripts/init.sh
+        run: ./scripts/init_min_acs.sh
 
       - name: Test ACS
         run: ./scripts/tests/acs.sh
@@ -52,11 +50,9 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v3
-        with:
-          submodules: true
 
       - name: Install dependencies
-        run: ./scripts/init.sh
+        run: ./scripts/init_min_tf_a.sh
 
       - name: Run tf-a-tests on normal-world
         run: ./scripts/tests/tf-a-tests.sh

scripts/deps/pkgs-for-ci.sh

@@ -5,14 +5,14 @@ set -e
 sudo apt-get update
 
 sudo apt install -y -qq --no-install-recommends \
-	gcc-multilib cmake libssl-dev \
-	binutils python3-pip \
-	device-tree-compiler xterm fakeroot mtools fdisk cpio \
-	dosfstools e2fsprogs \
-	libxml-libxml-perl \
-	jq lcov graphviz inkscape \
-	flex bison \
-	bzip2 \
-	srecord
+       gcc-multilib cmake libssl-dev \
+       binutils python3-pip \
+       device-tree-compiler xterm fakeroot mtools fdisk cpio \
+       dosfstools e2fsprogs \
+       libxml-libxml-perl \
+       jq lcov \
+       flex bison \
+       bzip2 \
+       srecord
 
 pip3 install toml

scripts/deps/rust_min.sh

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+
+ROOT=$(dirname -- "$0")/../..
+MSRV=$(cat $ROOT/rust-toolchain)
+
+if ! which rustup &>/dev/null; then
+	wget --no-check-certificate https://sh.rustup.rs -O rustup-init.sh
+	cat rustup-init.sh | sh -s -- -y --profile=minimal --default-toolchain $MSRV
+	rm rustup-init.sh
+	source $HOME/.cargo/env
+fi
+
+rustup toolchain install $MSRV
+rustup target add aarch64-unknown-none-softfloat
+
+rustc --version --verbose

scripts/init_min_acs.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+
+set -e
+
+ROOT=$(git rev-parse --show-toplevel)
+HERE=$ROOT/scripts
+
+# Install packages
+$HERE/deps/pkgs-for-ci.sh
+
+# Sync submodules (only assets, tf-a, acs)
+git submodule update --init --depth 1 $ROOT/assets
+git submodule update --init --depth 1 $ROOT/third-party/tf-a
+git submodule update --init --depth 1 $ROOT/third-party/cca-rmm-acs
+
+# Install rust (min)
+$HERE/deps/rust_min.sh
+
+# Install FVP simulator
+$HERE/deps/simulator.sh

scripts/init_min_tf_a.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+
+set -e
+
+ROOT=$(git rev-parse --show-toplevel)
+HERE=$ROOT/scripts
+
+# Install packages
+$HERE/deps/pkgs-for-ci.sh
+
+# Sync submodules (only assets, tf-a, tf-a-tests, tf-rmm)
+git submodule update --init --depth 1 $ROOT/assets
+git submodule update --init --depth 1 $ROOT/third-party/tf-a
+git submodule update --init --depth 1 $ROOT/third-party/tf-a-tests
+git submodule update --init --recursive --depth 1 $ROOT/third-party/tf-rmm
+
+# Install rust (min)
+$HERE/deps/rust_min.sh
+
+# Install FVP simulator
+$HERE/deps/simulator.sh