Add Canon EOS 1200D.
Add Canon EOS 1200D.

klauspost/rawspeed,darktable-org/rawspeed,darktable-org/rawspeed,LebedevRI/rawspeed,LebedevRI/rawspeed,anarsoul/rawspeed,darktable-org/rawspeed,darktable-org/rawspeed,klauspost/rawspeed,anarsoul/rawspeed,mgehre/rawspeed,mgehre/rawspeed,anarsoul/rawspeed,LebedevRI/rawspeed,LebedevRI/rawspeed,darktable-org/rawspeed,LebedevRI/rawspeed