Add support for Amlogic format modifiers

Parse ARM modifiers

Parse NVIDIA modifiers

Improve format/modifier pretty-printing

Move String function outside of machine-generated code

This will allow us to implement better modifier pretty-printing.

Run gofmt on generated file

Search drm_fourcc.h in all libdrm cflags

go fmt

Update drm_fourcc.h to libdrm 2.4.104

Remove aliased constants from generated code

This fails the build.

Use full path for drm_fourcc.h include

Makes sure we include the right file.

Fix typo

go fmt

Add package godoc

Add CapSyncObjTimeline

See https://gitlab.freedesktop.org/mesa/drm/commit/f3e6d22baa5b69c8a4f90e1fc27d095cf0eff687

Generate fourcc constants from libdrm

Add PlaneType

Add String method to capabilities

cmd/drmdump: move to drmdb

Add pretty-printing