doc: Update README.haiku.md for R1/beta5. [skip ci]

Author: infrastation

doc/README.haiku.md

@@ -1,33 +1,17 @@
 # Compiling tcpdump on Haiku
 
-## 64-bit x86 R1/beta4
+## AMD64 R1/beta5
 
-* Both system and local libpcap are suitable.
-* Autoconf 2.71 works.
-* CMake 3.27.7 works.
-* GCC 13.2.0 works.
-* Clang 12.0.1 works with the latest llvm12_clang-12.0.1-5 version.
+* Both HaikuPorts and local libpcap are suitable.
+* Autoconf 2.72 works.
+* CMake 3.28.3 works.
+* GCC 13.3.0 works.
+* Clang 18.1.7 works.
 
 The following command will install respective non-default packages:
 ```
-pkgman install libpcap_devel cmake llvm12_clang
+pkgman install libpcap_devel cmake llvm18_clang
 ```
 
 For reference, the tests were done using a system installed from
-`haiku-r1beta4-x86_64-anyboot.iso`.
-
-## 32-bit x86 R1/beta4
-
-* Both system and local libpcap are suitable.
-* Autoconf 2.71 works.
-* CMake 3.24.2 works.
-* GCC 11.2.0 works.
-* Clang does not work.
-
-The following command will install respective non-default packages:
-```
-pkgman install libpcap_x86_devel cmake_x86
-```
-
-For reference, the tests were done using a system installed from
-`haiku-r1beta4-x86_gcc2h-anyboot.iso`.
+`haiku-r1beta5-x86_64-anyboot.iso`.