Update Doku aus Driversourcen

Change-Id: I455f0813b970151089b3dc1b8d9407eea323cdd1
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+Actively supported and tested architectures:
+- i386
+- x86_64 (work in progress until the release of 3.5.0)
+
+Other architectures can't be tested by us. Many will probably work as well.
+Your mileage may vary, but we encourage you to test it. And please tell us
+about your experiences.
+
+Platforms which require aligned memory access seem to be not used by the users
+of LDMud (e.g. ARM, PowerPC, Sparc). For the sake of code simplicity and/or
+speed some code pieces (bytecode, murmur hash functions) don't care about
+alignment. On these platforms, the driver will probably not work at all right
+now. That can be fixed, but only if needed (there are users) and if the
+potential users support us (e.g. testing).
+