Remove trailing space

Signed-off-by: Andrew Thoelke <andrew.thoelke@arm.com>
diff --git a/include/psa/crypto_values.h b/include/psa/crypto_values.h
index f0357ce..daef941 100644
--- a/include/psa/crypto_values.h
+++ b/include/psa/crypto_values.h
@@ -2265,7 +2265,7 @@
 
 /** Whether the key may be used to derive other keys or produce a password
  * hash.
- * 
+ *
  * This flag allows the key to be used for a key derivation operation or for
  * a key agreement operation, if otherwise permitted by by the key's type and
  * policy.