util: Replace usage of boolean with c11 bool in src/util/format/* and src/util/tests/format/*

This is done by find and replace:
boolean -> bool
TRUE -> true
FALSE -> false

Signed-off-by: Yonggang Luo <luoyonggang@gmail.com>
Reviewed-by: Jesse Natalie <jenatali@microsoft.com>
Reviewed-by: David Heidelberg <david.heidelberg@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/19649>

src/util/format/u_format_table.py

@@ -61,9 +61,9 @@ type_map = {
 
 def bool_map(value):
     if value:
-        return "TRUE"
+        return "true"
     else:
-        return "FALSE"
+        return "false"
 
 
 swizzle_map = {