samples: exclude some platforms due to bug [REVERTME]

Do not build for some unsupported architecture and exclude ARM qemu
platform due to bug #5735.

STACK_ALIGN 0x8
MPU STACK GUARD Test
Canary Initial Value = 0xf0cacc1a threads 0x200010e0
Canary = 0x20000240    Test not passed.
***** BUS FAULT *****
  Executing thread ID (thread): 0x200010e0
  Faulting instruction address:  0x209c
  Imprecise data bus error
Fatal fault in thread 0x200010e0! Aborting.
***** HARD FAULT *****
  Fault escalation (see below)
***** BUS FAULT *****
  Executing thread ID (thread): 0x200010e0
  Faulting instruction address:  0x1f4
  Imprecise data bus error
Fatal fault in ISR! Spinning...

Signed-off-by: Anas Nashif <anas.nashif@intel.com>