selftest/bpf: Fix typo

Change 'exeeds' to 'exceeds'.
Signed-off-by: Junlin Yang <yangjunlin@yulong.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20210121122309.1501-1-angkery@163.com

tools/testing/selftests/bpf/prog_tests/btf.c

@@ -914,7 +914,7 @@ static struct btf_raw_test raw_tests[] = {
 	.err_str = "Member exceeds struct_size",
 },
 
-/* Test member exeeds the size of struct
+/* Test member exceeds the size of struct
  *
  * struct A {
  *     int m;
@@ -948,7 +948,7 @@ static struct btf_raw_test raw_tests[] = {
 	.err_str = "Member exceeds struct_size",
 },
 
-/* Test member exeeds the size of struct
+/* Test member exceeds the size of struct
  *
  * struct A {
  *     int m;