Fix udev rules (rfbz#5448)

60-nvidia-uvm.rules

@@ -1,2 +1,2 @@
-KERNEL=="nvidia_uvm", RUN+="/usr/bin/bash -c '/usr/bin/mknod -m 666 /dev/nvidia-uvm c $(grep nvidia-uvm /proc/devices | cut -d \  -f 1) 0'"
-KERNEL=="nvidia_uvm", RUN+="/usr/bin/bash -c '/usr/bin/mknod -m 666 /dev/nvidia-uvm-tools c $(grep nvidia-uvm /proc/devices | cut -d \  -f 1) 1'"
+KERNEL=="nvidia_uvm", RUN+="/usr/bin/bash -c '/usr/bin/mknod -m 666 /dev/nvidia-uvm c $$(grep nvidia-uvm /proc/devices | cut -d \  -f 1) 0'"
+KERNEL=="nvidia_uvm", RUN+="/usr/bin/bash -c '/usr/bin/mknod -m 666 /dev/nvidia-uvm-tools c $$(grep nvidia-uvm /proc/devices | cut -d \  -f 1) 1'"

60-nvidia.rules

@@ -1,5 +1,5 @@
 KERNEL=="nvidia", RUN+="/usr/bin/bash -c '/usr/bin/mknod -Z -m 666 /dev/nvidiactl c 195 255'"
-KERNEL=="nvidia", RUN+="/usr/bin/bash -c 'for i in $(cat /proc/driver/nvidia/gpus/*/information | grep Minor | cut -d \  -f 4); do /usr/bin/mknod -Z -m 666 /dev/nvidia${i} c 195 ${i}; done'"
+KERNEL=="nvidia", RUN+="/usr/bin/bash -c 'for i in $$(cat /proc/driver/nvidia/gpus/*/information | grep Minor | cut -d \  -f 4); do /usr/bin/mknod -Z -m 666 /dev/nvidia$${i} c 195 $${i}; done'"
 KERNEL=="nvidia_modeset", RUN+="/usr/bin/bash -c '/usr/bin/mknod -Z -m 666 /dev/nvidia-modeset c 195 254'"
 
 # Enable runtime PM for NVIDIA VGA/3D controller devices on driver bind