Fix some typos found by codespell

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
diff --git a/target-i386/cpu.c b/target-i386/cpu.c
index d0b5b69..da5d081 100644
--- a/target-i386/cpu.c
+++ b/target-i386/cpu.c
@@ -2523,7 +2523,7 @@
 
         /* The Linux kernel checks for the CMPLegacy bit and
          * discards multiple thread information if it is set.
-         * So dont set it here for Intel to make Linux guests happy.
+         * So don't set it here for Intel to make Linux guests happy.
          */
         if (cs->nr_cores * cs->nr_threads > 1) {
             if (env->cpuid_vendor1 != CPUID_VENDOR_INTEL_1 ||