package/mesa3d: Enable support for Radeon r600 gallium driver

--
v2: - rebased patch from micro1183: http://patchwork.ozlabs.org/patch/398858/
    - removed support for r300 & radeonsi because they need llvm support
      which is not provided by buildroot

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/mesa3d/Config.in

@@ -50,6 +50,15 @@ config BR2_PACKAGE_MESA3D_GALLIUM_DRIVER_NOUVEAU
 	help
 	  Supports all Nvidia GPUs.
 
+config BR2_PACKAGE_MESA3D_GALLIUM_DRIVER_R600
+	bool "Gallium Radeon R600 driver"
+	depends on BR2_i386 || BR2_x86_64
+	select BR2_PACKAGE_MESA3D_GALLIUM_DRIVER
+	select BR2_PACKAGE_LIBDRM_RADEON
+	select BR2_PACKAGE_MESA3D_NEEDS_XA
+	help
+	  Driver for ATI/AMD Radeon R600/R700/HD5000/HD6000 GPUs.
+
 config BR2_PACKAGE_MESA3D_GALLIUM_DRIVER_SVGA
 	bool "Gallium vmware svga driver"
 	depends on BR2_i386 || BR2_x86_64

package/mesa3d/mesa3d.mk

@@ -56,6 +56,7 @@ endif
 
 #Gallium Drivers
 MESA3D_GALLIUM_DRIVERS-$(BR2_PACKAGE_MESA3D_GALLIUM_DRIVER_NOUVEAU)  += nouveau
+MESA3D_GALLIUM_DRIVERS-$(BR2_PACKAGE_MESA3D_GALLIUM_DRIVER_R600)     += r600
 MESA3D_GALLIUM_DRIVERS-$(BR2_PACKAGE_MESA3D_GALLIUM_DRIVER_SVGA)     += svga
 MESA3D_GALLIUM_DRIVERS-$(BR2_PACKAGE_MESA3D_GALLIUM_DRIVER_SWRAST)   += swrast
 # DRI Drivers