simulation: ARC EM in nSIM to use nsim_em.props

This matches a naming scheme used for other flavour of ARC EM
SoC flavors.

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>

boards/arc/nsim_em/board.cmake

@@ -6,7 +6,7 @@ set(BOARD_FLASH_RUNNER arc-nsim)
 set(BOARD_DEBUG_RUNNER arc-nsim)
 
 if(${CONFIG_SOC_NSIM_EM})
-board_runner_args(arc-nsim "--props=nsim.props")
+board_runner_args(arc-nsim "--props=nsim_em.props")
 elseif(${CONFIG_SOC_NSIM_SEM})
 board_runner_args(arc-nsim "--props=nsim_sem.props")
 endif()

cmake/emu/nsim.cmake

@@ -6,7 +6,7 @@ find_program(
   )
 
 if(${CONFIG_SOC_NSIM_EM})
- set(NSIM_PROPS nsim.props)
+ set(NSIM_PROPS nsim_em.props)
 elseif(${CONFIG_SOC_NSIM_SEM})
  set(NSIM_PROPS nsim_sem.props)
 endif()

scripts/west_commands/runners/nsim.py

@@ -10,11 +10,11 @@ from os import path
 from runners.core import ZephyrBinaryRunner
 
 DEFAULT_ARC_GDB_PORT = 3333
-DEFAULT_PROPS_FILE = 'nsim.props'
+DEFAULT_PROPS_FILE = 'nsim_em.props'
 
 
 class NsimBinaryRunner(ZephyrBinaryRunner):
-    '''Runner front-end for the ARC si.'''
+    '''Runner front-end for the ARC nSIM.'''
 
     # This unusual 'flash' implementation matches the original shell script.
     #