Add DKMS support

This will add dkms support, and make installations easier. Especially
when upgrading the system from one kernel version to another. DKMS will
handle kernel upgrades automatically.

drivers/linux/Makefile

@@ -1,6 +1,18 @@
+VERSION=0.0.1
 obj-m+=panda.o
 
-all:
-	make -C /lib/modules/$(shell uname -r)/build/ M=$(PWD) modules
-clean:
-	make -C /lib/modules/$(shell uname -r)/build/ M=$(PWD) clean
+link:
+	sudo dkms add `pwd`
+
+build:
+	sudo dkms build panda/$(VERSION)
+
+install:
+	sudo dkms install panda/$(VERSION)
+
+all:	build install
+
+uninstall:
+	sudo dkms uninstall panda/$(VERSION)
+	sudo dkms remove panda/$(VERSION) --all
+

drivers/linux/README.md

@@ -0,0 +1,14 @@
+Installs the panda linux kernel driver using DKMS.
+
+This will allow the panda to work with tools such as `can-utils`
+
+
+installation:
+ - make link
+ - make all
+ - make install
+
+uninstall:
+ - make uninstall
+
+

drivers/linux/dkms.conf

@@ -0,0 +1,6 @@
+PACKAGE_NAME="panda"
+PACKAGE_VERSION="0.0.1"
+BUILT_MODULE_NAME[0]="panda"
+DEST_MODULE_LOCATION[0]="/kernel/drivers/net/panda/"
+AUTOINSTALL="yes"
+