Fix reference to misspelled file name in nsim_em documentation Signed-off-by: David B. Kinder <david.b.kinder@intel.com>
two configs are contained in this board * nsim_em: em with arc MPUv2 * nsim_sem: em with arc SecureShield and MPUv3 Signed-off-by: Wayne Ren <wei.ren@synopsys.com>