kcov: fix spelling typos in comments

Fix the typo of 'suport' in kcov.h

Link: https://lkml.kernel.org/r/tencent_922CA94B789587D79FD154445D035AA19E07@qq.comSigned-off-by: NRong Tao <rongtao@cestc.cn>
Reviewed-by: NDmitry Vyukov <dvyukov@google.com>
Cc: Andrey Konovalov <andreyknvl@gmail.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>

include/linux/kcov.h

@@ -56,7 +56,7 @@ static inline void kcov_remote_start_usb(u64 id)
 /*
  * The softirq flavor of kcov_remote_*() functions is introduced as a temporary
  * work around for kcov's lack of nested remote coverage sections support in
- * task context. Adding suport for nested sections is tracked in:
+ * task context. Adding support for nested sections is tracked in:
  * https://bugzilla.kernel.org/show_bug.cgi?id=210337
  */