turnip: Move things to prep for multi-kernel support

The end goal is a single build that supports kgsl (non-drm) as well
as msm and virtgpu (both drm).  First lets move around some files to
accomodate that.

Signed-off-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21394>

src/freedreno/vulkan/meson.build

@@ -70,9 +70,9 @@ if with_freedreno_kgsl
   tu_flags += '-DTU_USE_KGSL'
   # Even if libdrm is available we shouldn't use it in KGSL build
   tu_flags += '-UHAVE_LIBDRM'
-  libtu_files += files('tu_kgsl.c')
+  libtu_files += files('tu_knl_kgsl.c')
 else
-  libtu_files += files('tu_drm.c')
+  libtu_files += files('tu_knl_drm_msm.c')
   tu_deps += dep_libdrm
 endif
 

src/freedreno/vulkan/tu_cs.h

@@ -10,7 +10,7 @@
 
 #include "freedreno_pm4.h"
 
-#include "tu_drm.h"
+#include "tu_knl.h"
 
 /* For breadcrumbs we may open a network socket based on the envvar,
  * it's not something that should be enabled by default.

src/freedreno/vulkan/tu_knl_drm_msm.c

@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  */
 
-#include "tu_drm.h"
+#include "tu_knl.h"
 
 #include <errno.h>
 #include <fcntl.h>

src/freedreno/vulkan/tu_knl_kgsl.c

@@ -3,7 +3,7 @@
  * SPDX-License-Identifier: MIT
  */
 
-#include "tu_drm.h"
+#include "tu_knl.h"
 
 #include <errno.h>
 #include <fcntl.h>

src/freedreno/vulkan/tu_perfetto.cc

@@ -13,7 +13,7 @@
 #include "tu_tracepoints.h"
 #include "tu_tracepoints_perfetto.h"
 
-/* we can't include tu_drm.h and tu_device.h */
+/* we can't include tu_knl.h and tu_device.h */
 extern "C" {
 int
 tu_device_get_gpu_timestamp(struct tu_device *dev,

src/freedreno/vulkan/tu_pipeline.c

@@ -26,7 +26,7 @@
 #include "tu_cmd_buffer.h"
 #include "tu_cs.h"
 #include "tu_device.h"
-#include "tu_drm.h"
+#include "tu_knl.h"
 #include "tu_formats.h"
 #include "tu_lrz.h"
 #include "tu_pass.h"

src/freedreno/vulkan/tu_suballoc.h

@@ -12,7 +12,7 @@
 
 #include "tu_common.h"
 
-#include "tu_drm.h"
+#include "tu_knl.h"
 
 /* externally-synchronized BO suballocator. */
 struct tu_suballocator