[RTEMS Project] #3941: Remove epiphany architecture support

[RTEMS trac]

#3941: Remove epiphany architecture support
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  Reporter:  Sebastian Huber  |      Owner:  Hesham Almatary
      Type:  task             |     Status:  assigned
  Priority:  normal           |  Milestone:  6.1
 Component:  arch/epiphany    |    Version:  6
  Severity:  normal           |   Keywords:
Blocked By:                   |   Blocking:
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 I tried to build the epiphany BSP with GCC 10 recently and a lot internal
 compiler errors appeared. If it is not possible to build the BSP with a
 released GCC 10.1, then I suggest to remove this architecture. The GDB was
 never supported by the FSF upstream. To me this looks like an unmaintained
 architecture.

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Ticket URL: <http://devel.rtems.org/ticket/3941>
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