Enable `hip` tests for the Sharktank CI (#19349)

Switching this to run on a w7900 machine we can run presubmits on hip.

---------

Signed-off-by: Rob Suderman <rob.suderman@gmail.com>

.github/workflows/pkgci_test_sharktank.yml

diff --git a/.github/workflows/pkgci_test_sharktank.yml b/.github/workflows/pkgci_test_sharktank.yml
index c58216d..509b59e 100644
--- a/.github/workflows/pkgci_test_sharktank.yml
+++ b/.github/workflows/pkgci_test_sharktank.yml
@@ -25,10 +25,16 @@
       fail-fast: false
       matrix:
         include:
-          # CPU
-          - name: cpu_llvm_task
+          - name: cpu_task
+            target: target_cpu
+            gpu: none
             runs-on: ubuntu-20.04
 
+          - name: hip_task
+            target: target_hip
+            gpu: gfx1100
+            runs-on: nodai-amdgpu-w7900-x86-64
+
     env:
       VENV_DIR: ${{ github.workspace }}/venv
     steps:
@@ -54,7 +60,7 @@
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           repository: iree-org/iree-test-suites
-          ref: a0c84d59c4332463dd46a3c4877d8e0ab2e0a80d
+          ref: c644a9dfc3e5e1a9d071d5e786b79cf612e9b1d3
           path: iree-test-suites
           lfs: true
       - name: Install Sharktank models test suite requirements
@@ -64,10 +70,10 @@
       - name: Run Sharktank models test suite
         run: |
           source ${VENV_DIR}/bin/activate
-          pytest iree-test-suites/sharktank_models/ \
+          HIP_TARGET=${{ matrix.gpu }} pytest iree-test-suites/sharktank_models/ \
               -rA \
-              -m "target_cpu" \
               --log-cli-level=info \
               --override-ini=xfail_strict=false \
+              -m ${{ matrix.target }} \
               --timeout=120 \
               --durations=0