meta-hailo: Fix the CMA issue when PVU was integrated

PVU-based DMA isolation brings SWIO TLB to the table and
the maximum allowable number of contiguous slabs to map
is 128 by default, but meta-hailo requires more 128. Hence
increase it to 256 when meta-hailo is included.

Signed-off-by: Li Hua Qian <huaqian.li@siemens.com>

kas/opt/meta-hailo.yml

@@ -11,6 +11,10 @@
 header:
   version: 14
 
+local_conf_header:
+  hailo_override: |
+    OVERRIDES .= ":meta-hailo"
+
 repos:
   meta-hailo:
     path: ${TOPDIR}/../meta-hailo

recipes-kernel/linux/linux-iot2050-6.1.inc

@@ -26,6 +26,8 @@ def get_extra_configs(d):
 
     if re.search("pvu-dma", overrides):
         append_config.append('CONFIG_TI_PVU=y')
+        if re.search("meta-hailo", overrides):
+            append_config.append('CONFIG_SWIOTLB_SEGSIZE=256')
 
     if append_config:
         append_config_file = os.path.join(d.getVar('T'), 'iot2050_append_config.cfg')