Fix parantheses on return and sizeof statements.

Used script:
```
import re
import sys

for arg in sys.argv[1:]:
    print(arg)
    with open(arg, 'r') as file:
        content = file.read()
        content = re.sub(r"return\s?\((?!.*\).*\()\s*\n?(.*)\n?\);", r"return \1;", \
            content, flags = re.M)
        content = re.sub(r"sizeof ([^\(][a-zA-Z0-9_\[\]]*)", r"sizeof(\1)",\
            content, flags = re.M)
    with open(arg, 'w') as file:
        file.write(content)

```
Executed with:
` find . -regextype posix-egrep -regex ".*\.([hc]|fmt|function)" | xargs -L1 python script.py`

Signed-off-by: Mateusz Starzyk <mateusz.starzyk@mobica.com>
diff --git a/include/mbedtls/ssl_ciphersuites.h b/include/mbedtls/ssl_ciphersuites.h
index 812560c..abaa642 100644
--- a/include/mbedtls/ssl_ciphersuites.h
+++ b/include/mbedtls/ssl_ciphersuites.h
@@ -398,10 +398,10 @@
         case MBEDTLS_KEY_EXCHANGE_ECDHE_PSK:
         case MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA:
         case MBEDTLS_KEY_EXCHANGE_ECJPAKE:
-            return( 1 );
+            return 1 ;
 
         default:
-            return( 0 );
+            return 0 ;
     }
 }
 #endif /* MBEDTLS_KEY_EXCHANGE_SOME_PFS_ENABLED */
@@ -416,10 +416,10 @@
         case MBEDTLS_KEY_EXCHANGE_RSA:
         case MBEDTLS_KEY_EXCHANGE_PSK:
         case MBEDTLS_KEY_EXCHANGE_RSA_PSK:
-            return( 1 );
+            return 1 ;
 
         default:
-            return( 0 );
+            return 0 ;
     }
 }
 #endif /* MBEDTLS_KEY_EXCHANGE_SOME_NON_PFS_ENABLED */
@@ -431,10 +431,10 @@
     {
         case MBEDTLS_KEY_EXCHANGE_ECDH_RSA:
         case MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA:
-            return( 1 );
+            return 1 ;
 
         default:
-            return( 0 );
+            return 0 ;
     }
 }
 #endif /* MBEDTLS_KEY_EXCHANGE_SOME_ECDH_ENABLED */
@@ -449,10 +449,10 @@
         case MBEDTLS_KEY_EXCHANGE_ECDHE_RSA:
         case MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA:
         case MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA:
-            return( 1 );
+            return 1 ;
 
         default:
-            return( 0 );
+            return 0 ;
     }
 }
 
@@ -467,10 +467,10 @@
         case MBEDTLS_KEY_EXCHANGE_ECDHE_RSA:
         case MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA:
         case MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA:
-            return( 1 );
+            return 1 ;
 
         default:
-            return( 0 );
+            return 0 ;
     }
 }
 
@@ -481,10 +481,10 @@
     {
         case MBEDTLS_KEY_EXCHANGE_DHE_RSA:
         case MBEDTLS_KEY_EXCHANGE_DHE_PSK:
-            return( 1 );
+            return 1 ;
 
         default:
-            return( 0 );
+            return 0 ;
     }
 }
 #endif /* MBEDTLS_KEY_EXCHANGE_SOME_DHE_ENABLED) */
@@ -497,10 +497,10 @@
         case MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA:
         case MBEDTLS_KEY_EXCHANGE_ECDHE_RSA:
         case MBEDTLS_KEY_EXCHANGE_ECDHE_PSK:
-            return( 1 );
+            return 1 ;
 
         default:
-            return( 0 );
+            return 0 ;
     }
 }
 #endif /* MBEDTLS_KEY_EXCHANGE_SOME_ECDHE_ENABLED) */
@@ -513,10 +513,10 @@
         case MBEDTLS_KEY_EXCHANGE_DHE_RSA:
         case MBEDTLS_KEY_EXCHANGE_ECDHE_RSA:
         case MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA:
-            return( 1 );
+            return 1 ;
 
         default:
-            return( 0 );
+            return 0 ;
     }
 }
 #endif /* MBEDTLS_KEY_EXCHANGE_WITH_SERVER_SIGNATURE_ENABLED */