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847 or1200_genpc: fix ipcu_cycstb_o generation

In some circumstances the CPU is still waiting for the lsu to finish
while in a pre branch state. However, ipcu_cycstb_o is set and the cycle
starts with the wrong address on the iwb bus (the one before the
branched address).

This fixes this issue.

Patch by: Franck Jullien <franck.jullien@gmail.com>		 stekern 4271d 14h /openrisc
846 or1200: Fix for cache bug related to first_{hit|miss}_ack

Under certain circumstances, when first_hit_ack and
first_miss_ack is asserted at the same time, cache data
would wrongly be overwritten with bus data.

Patch by: Matthew Hicks <firefalcon@gmail.com>		 stekern 4271d 14h /openrisc
845 or1200: l.lws support

Using the l.lws instruction doesn't work currently.
It simply skips the instruction. No exception or reaction.
The patch attached simply duplicates the behaviour of
l.lwz for l.lws.

Patch by: Jeppe Græsdal Johansen <jjohan07@student.aau.dk>		 stekern 4271d 14h /openrisc
844 skrzyp 4272d 07h /openrisc
843 Applied RDiez suggestions skrzyp 4272d 07h /openrisc
842 Moving GDB 7.1 into the old collection. jeremybennett 4274d 05h /openrisc
841 GDB 7.2 is now considered the stable version. jeremybennett 4274d 05h /openrisc
840 Relocate GDB 6.8 to the old directory. jeremybennett 4274d 05h /openrisc
839 Forgot about updating linker flags, thanks RDiez! skrzyp 4275d 08h /openrisc
838 added branch-delay option and sets r0 to zero skrzyp 4275d 22h /openrisc
837 Instructions redirecting users to new directories. jeremybennett 4282d 03h /openrisc
836 The old legacy directory, which just a README these days. jeremybennett 4282d 03h /openrisc
835 Move current version to stable directory. jeremybennett 4282d 03h /openrisc
834 Move current version to stable directory. jeremybennett 4282d 03h /openrisc
833 Move current version to stable directory. jeremybennett 4282d 03h /openrisc
832 Move current version to stable directory. jeremybennett 4282d 03h /openrisc
831 Move current version to stable directory. jeremybennett 4282d 03h /openrisc
830 Move current version to stable directory. jeremybennett 4282d 03h /openrisc
829 Move current version to stable directory. jeremybennett 4282d 03h /openrisc
828 Move current version to stable directory. jeremybennett 4282d 03h /openrisc

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