Disable new handler installation check for XMC1000 (FreeRTOS#1132)

Disable handler checking in XMC1000 demo

FreeRTOS/Demo/CORTEX_M0_Infineon_XMC1000_IAR_Keil_GCC/FreeRTOSConfig.h

@@ -93,6 +93,12 @@ to exclude the API function. */
 header file. */
 #define configASSERT( x ) if( ( x ) == 0 ) { taskDISABLE_INTERRUPTS(); for( ;; ); }
 
+/* Disable the runtime check on the installation of the FreeRTOS handlers. The
+port code that performs the check expects the handlers to be installed directly
+into the vector table. However, XMC1000 has a ROM-based vector table, so it does
+not contain the OS handler vectors directly. */
+#define configCHECK_HANDLER_INSTALLATION  0
+
 /* Definitions that map the FreeRTOS port interrupt handlers to their CMSIS
 standard names - or at least those used in the unmodified vector table. */
 #define xPortPendSVHandler PendSV_Handler