[util] Reduce the minimum space between blocks in the bus

Author: engdoreis

vendor/lowrisc_ip/util/tlgen/validate.py

@@ -116,7 +116,7 @@
 # by inspecting the base addresses. Note that the validation
 # script also ensures that base addresses are aligned with
 # to this granularity.
-MIN_DEVICE_SPACING = 0x1000
+MIN_DEVICE_SPACING = 0x4
 
 
 def check_keys(obj: Dict[Any, Any],

vendor/patches/lowrisc_ip/tlgen/0002-min_device_spacing.patch

@@ -0,0 +1,13 @@
+diff --git a/validate.py b/validate.py
+index d492d3e..6c3cb6d 100644
+--- a/validate.py
++++ b/validate.py
+@@ -116,7 +116,7 @@ Crossbar configuration format.
+ # by inspecting the base addresses. Note that the validation
+ # script also ensures that base addresses are aligned with
+ # to this granularity.
+-MIN_DEVICE_SPACING = 0x1000
++MIN_DEVICE_SPACING = 0x4
+ 
+ 
+ def check_keys(obj: Dict[Any, Any],