Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>

arch/alpha/lib/strrchr.S

@@ -54,7 +54,7 @@ $loop:
 $eos:
 	negq	t1, t4		# e0    : isolate first null byte match
 	and	t1, t4, t4	# e1    :
-	subq	t4, 1, t5	# e0    : build a mask of the bytes upto...
+	subq	t4, 1, t5	# e0    : build a mask of the bytes up to...
 	or	t4, t5, t4	# e1    : ... and including the null
 
 	and	t3, t4, t3	# e0    : mask out char matches after null