gallium: Teach GALLIUM_REFCNT_LOG about array textures

Otherwise they are classified as pipe_martian_resource, and don't
contain any helpful information about the texture.

Reviewed-by: Eric Anholt <eric@anholt.net>
10 jobs for !1196 with martians in 10 minutes and 17 seconds (queued for 1 second)
detached
Status Job ID Name Coverage
  Containers Build
passed debian #386241

00:00:28

 
  Build+Test
passed meson-clang #386243

00:09:46

passed meson-clover #386247

00:07:00

passed meson-main #386246

00:07:22

passed meson-swr-glvnd #386242

00:04:51

passed meson-vulkan #386248

00:01:43

passed scons-llvm #386250

00:03:50

passed scons-nollvm #386249

00:03:38

passed scons-swr #386244

00:06:03

passed scons-win64 #386245

00:08:14