fix(iso): skip NVIDIA module load when no NVIDIA GPU present

Check PCI vendor 10de before attempting insmod — avoids spurious
nvidia_uvm symbol errors on systems without NVIDIA hardware (e.g. AMD MI350).

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

iso/overlay/usr/local/bin/bee-nvidia-load

@@ -8,6 +8,12 @@ log() { echo "[bee-nvidia] $*"; }
 
 log "kernel: $(uname -r)"
 
+# Skip if no NVIDIA GPU present (PCI vendor 10de)
+if ! lspci -nn 2>/dev/null | grep -qi '10de:'; then
+    log "no NVIDIA GPU detected — skipping module load"
+    exit 0
+fi
+
 if [ ! -d "$NVIDIA_KO_DIR" ]; then
     log "ERROR: NVIDIA module dir missing: $NVIDIA_KO_DIR"
     exit 1