Fix 3 failing CI tests from new configs

- PSoC6: Switch to cypresssemiconductorco repos for correct paths
- RISC-V: Use SiFive prebuilt toolchain with newlib support
- TI Hercules: Remove libgconf-2-4 dependency

Author: jackctj117

.github/workflows/test-build-psoc6.yml

@@ -27,17 +27,17 @@ jobs:
 
       - uses: actions/checkout@v4
         with:
-          repository: Infineon/mtb-pdl-cat1
+          repository: cypresssemiconductorco/psoc6pdl
           path: lib/psoc6pdl
 
       - uses: actions/checkout@v4
         with:
-          repository: Infineon/TARGET_CY8CKIT-062S2-43012
+          repository: cypresssemiconductorco/TARGET_CY8CKIT-062S2-43012
           path: lib/TARGET_CY8CKIT-062S2-43012
 
       - uses: actions/checkout@v4
         with:
-          repository: Infineon/core-lib
+          repository: cypresssemiconductorco/core-lib
           path: lib/core-lib
 
       - name: Workaround for sources.list

.github/workflows/test-build-riscv.yml

@@ -79,9 +79,12 @@ jobs:
       - name: Update repository
         run: sudo apt-get update -o Acquire::Retries=3
 
-      - name: Install RISC-V cross compiler
+      - name: Download and install SiFive RISC-V toolchain
         run: |
-          sudo apt-get install -y gcc-riscv64-unknown-elf
+          # Download SiFive prebuilt toolchain with newlib
+          wget -q https://static.dev.sifive.com/dev-tools/freedom-tools/v2020.12/riscv64-unknown-elf-toolchain-10.2.0-2020.12.8-x86_64-linux-ubuntu14.tar.gz
+          tar xzf riscv64-unknown-elf-toolchain-10.2.0-2020.12.8-x86_64-linux-ubuntu14.tar.gz
+          echo "$GITHUB_WORKSPACE/riscv64-unknown-elf-toolchain-10.2.0-2020.12.8-x86_64-linux-ubuntu14/bin" >> $GITHUB_PATH
 
       - name: make clean
         run: |

.github/workflows/test-build-ti-hercules.yml

@@ -75,7 +75,7 @@ jobs:
 
       - name: Install dependencies
         run: |
-          sudo apt-get install -y libc6-i386 libusb-0.1-4 libgconf-2-4 build-essential
+          sudo apt-get install -y libc6-i386 libusb-0.1-4 build-essential
 
       - name: Download and install TI Code Composer Studio
         run: |