d3d10umd: Rename d3d10sw target to d3d10umd

Other drivers such as virgl are planned to be added to d3d10... target.
As it is not a purely software driver d3d10sw target is renamed to
d3d10umd target to reflect that.

Reviewed-by: Jesse Natalie <jenatali@microsoft.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/27416>

src/gallium/frontends/d3d10umd/README.md

@@ -3,4 +3,4 @@ This directory has a Gallium state tracker for D3D10 UMD DDI.
 It still uses TGSI, not not NIR.
 
 Currently it only supports SW rasterizers.  See
-src/gallium/targets/d3d10sw/README.md for further details.
+src/gallium/targets/d3d10umd/README.md for further details.

src/gallium/meson.build

@@ -241,7 +241,7 @@ if with_gallium_st_nine
 endif
 if with_gallium_st_d3d10umd
   subdir('frontends/d3d10umd')
-  subdir('targets/d3d10sw')
+  subdir('targets/d3d10umd')
 endif
 if with_platform_windows
   if with_opengl