Documentation/admin-guide: arm-ccn: drop doubled word

Drop the doubled word "as".
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Link: https://lore.kernel.org/r/20200704032020.21923-9-rdunlap@infradead.orgSigned-off-by: Jonathan Corbet <corbet@lwn.net>

Documentation/admin-guide/perf/arm-ccn.rst

@@ -27,7 +27,7 @@ Crosspoint PMU events require "xp" (index), "bus" (bus number)
 and "vc" (virtual channel ID).
 
 Crosspoint watchpoint-based events (special "event" value 0xfe)
-require "xp" and "vc" as as above plus "port" (device port index),
+require "xp" and "vc" as above plus "port" (device port index),
 "dir" (transmit/receive direction), comparator values ("cmp_l"
 and "cmp_h") and "mask", being index of the comparator mask.