ir3: Use getfiberid for SubgroupInvocationID on gen4

Since it requires (ss) categorize it as is_sfu() and not is_mem().

Signed-off-by: Danylo Piliaiev <dpiliaiev@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13817>

src/freedreno/common/freedreno_dev_info.h

@@ -128,6 +128,8 @@ struct fd_dev_info {
 
          bool has_lpac;
 
+         bool has_getfiberid;
+
          struct {
             uint32_t RB_UNKNOWN_8E04_blit;
             uint32_t PC_POWER_CNTL;

src/freedreno/common/freedreno_devices.py

@@ -265,6 +265,7 @@ a6xx_gen4 = dict(
         has_8bpp_ubwc = False,
         has_lpac = True,
         has_shading_rate = True,
+        has_getfiberid = True,
         magic = dict(
             TPL1_DBG_ECO_CNTL = 0x5008000,
         ),