Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/arch/alpha/lib/ev67-strrchr.S b/arch/alpha/lib/ev67-strrchr.S
index 3fd8bf4..dd0d8c6 100644
--- a/arch/alpha/lib/ev67-strrchr.S
+++ b/arch/alpha/lib/ev67-strrchr.S
@@ -82,7 +82,7 @@
 $eos:
 	negq	t1, t4		# E : isolate first null byte match
 	and	t1, t4, t4	# E :
-	subq	t4, 1, t5	# E : build a mask of the bytes upto...
+	subq	t4, 1, t5	# E : build a mask of the bytes up to...
 	or	t4, t5, t4	# E : ... and including the null
 
 	and	t3, t4, t3	# E : mask out char matches after null