random: fix typo in comments

commit c0a8a61e7abbf66729687ee63659ee25983fbb1e upstream.

s/or/for

Signed-off-by: Schspa Shi <schspa@gmail.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/char/random.c b/drivers/char/random.c
index 7cde23257..92350f4 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -101,7 +101,7 @@
  * ===============================
  *
  * There are four exported interfaces; two for use within the kernel,
- * and two or use from userspace.
+ * and two for use from userspace.
  *
  * Exported interfaces ---- userspace output
  * -----------------------------------------