etnaviv: rs: add support for 64bpp clears

Starting with HALTI2 the RS supports 64bpp clears.

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Reviewed-by: Philipp Zabel <philipp.zabel@gmail.com>
Reviewed-by: Jonathan Marek <jonathan@marek.ca>
17 jobs for !1660 with rs-64 in 17 minutes and 55 seconds (queued for 4 seconds)
detached
Status Name Job ID Coverage
  Containers Build
passed debian #515794

00:00:27

 
  Build+Test
passed meson-arm64 #515803

00:05:14

passed meson-armhf #515802

00:05:20

passed meson-clang #515796

00:10:14

passed meson-clover #515800

00:09:40

passed meson-i386 #515804

00:03:56

passed meson-main #515799

00:10:28

passed meson-swr-glvnd #515795

00:06:24

passed meson-vulkan #515801

00:03:23

passed scons-llvm #515806

00:04:43

passed scons-nollvm #515805

00:04:32

passed scons-swr #515797

00:05:55

passed scons-win64 #515798

00:09:50

 
  Test
passed test-llvmpipe-gles2 1/4 #515807

00:03:41

passed test-llvmpipe-gles2 2/4 #515808

00:02:37

passed test-llvmpipe-gles2 3/4 #515809

00:03:19

passed test-llvmpipe-gles2 4/4 #515810

00:02:31