gallium: Rename ${target}/target.c to ${target}/{$target}_target.c

This is one of the few places in Mesa where filenames collide this much
and it's Super Annoying.

Acked-by: Daniel Stone <daniels@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/28378>

src/gallium/targets/dri/meson.build

@@ -24,7 +24,7 @@ endif
 
 libgallium_dri = shared_library(
   'gallium_dri',
-  files('target.c'),
+  files('dri_target.c'),
   include_directories : [
     inc_include, inc_src, inc_mapi, inc_mesa, inc_gallium, inc_gallium_aux, inc_util, inc_gallium_drivers,
     inc_gallium_winsys, include_directories('../../frontends/dri'),

src/gallium/targets/lavapipe/meson.build

@@ -2,7 +2,7 @@
 
 libvulkan_lvp = shared_library(
   'vulkan_lvp',
-  [ 'target.c' ],
+  [ 'lavapipe_target.c' ],
   vs_module_defs : vulkan_api_def,
   include_directories : [ inc_src, inc_util, inc_include, inc_gallium, inc_gallium_aux, inc_gallium_winsys, inc_gallium_drivers ],
   link_whole : [ liblavapipe_st ],

src/gallium/targets/omx/meson.build

@@ -17,7 +17,7 @@ endif
 
 libomx_gallium = shared_library(
   'omx_mesa',
-  'target.c',
+  'omx_target.c',
   gnu_symbol_visibility : 'hidden',
   link_args : [omx_link_args, ld_args_gc_sections],
   include_directories : [

src/gallium/targets/osmesa/meson.build

@@ -24,7 +24,7 @@ osmesa_def = custom_target(
 
 libosmesa = shared_library(
   osmesa_lib_name,
-  'target.c',
+  'osmesa_target.c',
   gnu_symbol_visibility : 'hidden',
   link_args : [ld_args_gc_sections, osmesa_link_args],
   vs_module_defs : osmesa_def,

src/gallium/targets/rusticl/meson.build

@@ -13,7 +13,7 @@ endif
 
 librusticl = shared_library(
   'RusticlOpenCL',
-  'target.c',
+  'rusticl_target.c',
   gnu_symbol_visibility : 'hidden',
   include_directories : [
     inc_include,

src/gallium/targets/teflon/meson.build

@@ -1,6 +1,6 @@
 libteflon = shared_library(
   'teflon',
-  [ 'target.c' ],
+  [ 'teflon_target.c' ],
   include_directories : [ inc_src, inc_util, inc_include, inc_gallium, inc_gallium_aux, inc_gallium_winsys, inc_gallium_drivers ],
   link_whole : [ libteflon_st ],
   link_with : [libpipe_loader_static, libws_null, libwsw, libswdri, libswkmsdri, libgallium ],

src/gallium/targets/va/meson.build

@@ -52,7 +52,7 @@ if host_machine.system() == 'windows'
 
   libva_gallium = shared_library(
     'vaon12_drv_video',
-    'target.c',
+    'va_target.c',
     link_args : [va_link_args, ld_args_gc_sections, ld_args_build_id],
     vs_module_defs : vaon12_def,
     include_directories : [
@@ -69,7 +69,7 @@ if host_machine.system() == 'windows'
 else
   libva_gallium = shared_library(
     'gallium_drv_video',
-    'target.c',
+    'va_target.c',
     gnu_symbol_visibility : 'hidden',
     link_args : [va_link_args, ld_args_gc_sections, ld_args_build_id],
     include_directories : [

src/gallium/targets/vdpau/meson.build

@@ -31,7 +31,7 @@ endif
 
 libvdpau_gallium = shared_library(
   'vdpau_gallium',
-  'target.c',
+  'vdpau_target.c',
   gnu_symbol_visibility : 'hidden',
   link_args : [vdpau_link_args, ld_args_gc_sections],
   include_directories : [

src/gallium/targets/xa/meson.build

@@ -17,7 +17,7 @@ _xa_version = '.'.join(xa_version)
 
 libxatracker = shared_library(
   'xatracker',
-  'target.c',
+  'xa_target.c',
   gnu_symbol_visibility : 'hidden',
   link_args : [xa_link_args, ld_args_gc_sections],
   include_directories : [