bpf: fix comment typo

o s/bpf_bpf_get_socket_cookie/bpf_get_socket_cookie
Signed-off-by: Alexander Alemayhu <alexander@alemayhu.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/uapi/linux/bpf.h

@@ -472,7 +472,7 @@ union bpf_attr {
  *       > 0 length of the string including the trailing NUL on success
  *       < 0 error
  *
- * u64 bpf_bpf_get_socket_cookie(skb)
+ * u64 bpf_get_socket_cookie(skb)
  *     Get the cookie for the socket stored inside sk_buff.
  *     @skb: pointer to skb
  *     Return: 8 Bytes non-decreasing number on success or 0 if the socket

tools/include/uapi/linux/bpf.h

@@ -472,7 +472,7 @@ union bpf_attr {
  *       > 0 length of the string including the trailing NUL on success
  *       < 0 error
  *
- * u64 bpf_bpf_get_socket_cookie(skb)
+ * u64 bpf_get_socket_cookie(skb)
  *     Get the cookie for the socket stored inside sk_buff.
  *     @skb: pointer to skb
  *     Return: 8 Bytes non-decreasing number on success or 0 if the socket