make sure FLASHD_ReadUniqueID() is linked to SRAM, not flash

memories/flash/flashd_eefc.c

@@ -468,6 +468,7 @@ unsigned char FLASHD_ClearGPNVM(unsigned char gpnvm)
 /// \param uniqueID pointer on a 4bytes char containing the unique ID value.
 //------------------------------------------------------------------------------
 #ifdef AT91C_EFC_FCMD_STUI
+__attribute__ ((section (".ramfunc")))
 unsigned char FLASHD_ReadUniqueID (unsigned long * uniqueID)
 {
     unsigned char error;