kcov: fix spelling typos in comments

Fix the typo of 'suport' in kcov.h

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Rong Tao <[email protected]>
Reviewed-by: Dmitry Vyukov <[email protected]>
Cc: Andrey Konovalov <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

Author: Rtoax

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
  */