everywhere: fix typos

Fix a lot of typos

Signed-off-by: Nazar Kazakov <nazar.kazakov.work@gmail.com>
diff --git a/kernel/Kconfig.vm b/kernel/Kconfig.vm
index a9c2cf6..215eb98 100644
--- a/kernel/Kconfig.vm
+++ b/kernel/Kconfig.vm
@@ -167,7 +167,7 @@
 	  Should say N in production system as this is not without cost.
 
 config DEMAND_PAGING_TIMING_HISTOGRAM_NUM_BINS
-	int "Number of bins (buckets) in Demand Paging Timing Histogrm"
+	int "Number of bins (buckets) in Demand Paging Timing Histogram"
 	depends on DEMAND_PAGING_TIMING_HISTOGRAM
 	default 10
 	help