Add OpenBSD

Index: Ghidra/Features/FileFormats/buildNatives.gradle
--- Ghidra/Features/FileFormats/buildNatives.gradle.orig
+++ Ghidra/Features/FileFormats/buildNatives.gradle
@@ -35,6 +35,8 @@ model {
 			targetPlatform "mac_arm_64"
 			targetPlatform "freebsd_x86_64"
 			targetPlatform "freebsd_arm_64"
+			targetPlatform "openbsd_x86_64"
+			targetPlatform "openbsd_arm_64"
 		
 			sources {
 				c {
