scripts/spelling.txt: increase error-prone spell checking

Increase direcly,ununsed,manger spelling error check
Signed-off-by: Wang Qing <wangqing@vivo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Colin Ian King <colin.king@canonical.com>
Cc: Wang Qing <wangqing@vivo.com>
Cc: Xiong <xndchn@gmail.com>
Cc: SeongJae Park <sjpark@amazon.de>
Cc: Jonathan Neuschfer <j.neuschaefer@gmx.net>
Cc: Luca Ceresoli <luca@lucaceresoli.net>
Cc: Joe Perches <joe@perches.com>
Link: https://lkml.kernel.org/r/1601085397-27586-1-git-send-email-wangqing@vivo.comSigned-off-by: Linus Torvalds <torvalds@linux-foundation.org>

scripts/spelling.txt

@@ -482,6 +482,7 @@ disgest||digest
 dispalying||displaying
 diplay||display
 directon||direction
+direcly||directly
 direectly||directly
 diregard||disregard
 disassocation||disassociation
@@ -871,6 +872,7 @@ malplace||misplace
 managable||manageable
 managment||management
 mangement||management
+manger||manager
 manoeuvering||maneuvering
 manufaucturing||manufacturing
 mappping||mapping
@@ -1478,6 +1480,7 @@ unsolicitied||unsolicited
 unsuccessfull||unsuccessful
 unsuported||unsupported
 untill||until
+ununsed||unused
 unuseful||useless
 unvalid||invalid
 upate||update