Added udev rules for tegra234 nvenc/nvdec

Makefile

@@ -58,5 +58,14 @@ rtl8168h:
 ga10b:
 	tar xf ga10b.tar.xz -C /lib/firmware
 
-tegra234:
+tegra234: nvenc-udev-config
 	tar xf tegra234.tar.xz -C /lib/firmware
+	@echo "$$NVENC_UDEV_CONFIG" > /etc/udev/rules.d/90-nvenc.rules
+
+nvenc-udev-config:
+define NVENC_UDEV_CONFIG
+# Populate v4l2 decoder/encoder device node for upstream linux on Tegra platforms
+KERNEL=="15480000.nvdec", DRIVER=="tegra-nvdec", ACTION=="bind", RUN+="/bin/mknod -m 666 /dev/v4l2-nvdec c 1 3"
+KERNEL=="154c0000.nvenc", DRIVER=="tegra-nvenc", ACTION=="bind", RUN+="/bin/mknod -m 666 /dev/v4l2-nvenc c 1 3"
+endef
+export NVENC_UDEV_CONFIG