refactor: update hexpat

docs/imhex_firmware_pattern.hexpat

@@ -1,28 +1,29 @@
 #pragma author timschneeb
 #pragma description Samsung Galaxy Buds firmware archive
+#pragma pattern_limit 20000000
 
 struct Segment {
     u32 unknownHeader1;
     u32 unknownHeader2;
     u32 unknownHeader3;
     u32 romOffsetMaybe;
+    u8 data[parent.size-16];
 };
 
 struct SegmentInfo {
     u32 id;
     u32 crc32;
-    Segment* position : u32;
+    u32 position;
     u32 size;
+    Segment data @ position;
 } [[single_color]];
 
-struct Header {
+struct FirmwareFile {
     u32 magic;
     u32 totalSize;
     u32 segmentsCount;
-    SegmentInfo segments[segmentsCount]; 
+    SegmentInfo segments[segmentsCount];
+    u32 crc32 @ sizeof($) - 0x4;;
 };
 
-Header header @ 0x0;
-
-
-u32 crc32 @ sizeof($) - 0x4;
+FirmwareFile file @ 0x0;