pkg/paho-mqtt: update patch to fix build with STM32

pkg/paho-mqtt/patches/0001-MQTTClient-C-skip-SUCCESS-enum-on-STM32-cpus.patch

@@ -1,22 +1,22 @@
-From cbb94538de6b28513685779f542587129f888db6 Mon Sep 17 00:00:00 2001
+From 75774342cbd175287ccd3190c76db0b07314b3cf Mon Sep 17 00:00:00 2001
 From: Alexandre Abadie <alexandre.abadie@inria.fr>
 Date: Sun, 7 Jun 2020 10:27:56 +0200
-Subject: [PATCH 1/1] MQTTClient-C: skip SUCCESS enum on STM32L1/L4/WB cpus
+Subject: [PATCH 1/1] MQTTClient-C: skip SUCCESS enum on STM32 cpus
 
 ---
  MQTTClient-C/src/MQTTClient.h | 6 ++++++
  1 file changed, 6 insertions(+)
 
 diff --git a/MQTTClient-C/src/MQTTClient.h b/MQTTClient-C/src/MQTTClient.h
-index b612341..a051199 100755
+index b612341..4f1dfba 100755
 --- a/MQTTClient-C/src/MQTTClient.h
 +++ b/MQTTClient-C/src/MQTTClient.h
 @@ -54,7 +54,13 @@
  enum QoS { QOS0, QOS1, QOS2, SUBFAIL=0x80 };
  
  /* all failure return codes must be negative */
-+#if defined(CPU_FAM_STM32L4) || defined(CPU_FAM_STM32L1) || defined(CPU_FAM_STM32WB) || defined(CPU_FAM_STM32G4)
-+/* the SUCCESS enum is also defined with stm32 L1, L4 and WB families.
++#if !defined(CPU_LINE_STM32F030x4) && defined(CPU_STM32)
++/* the SUCCESS enum is defined for all stm32.
 +   Since it contains the same value, we just skip its definition here for them. */
 +enum returnCode { BUFFER_OVERFLOW = -2, FAILURE = -1};
 +#else