Revert patched Cortex-M0 port for ArmClang

Author: VladimirUmek

ARM.CMSIS-FreeRTOS.pdsc

@@ -898,8 +898,9 @@
           <file category="source"  name="Source/queue.c"/>
           <file category="source"  name="Source/tasks.c"/>
 
-          <file category="include"   condition="CM0_ARMCC6"    name="Source/portable/GCC/ARM_CM0_AC6/"/>
-          <file category="source"    condition="CM0_ARMCC6"    name="Source/portable/GCC/ARM_CM0_AC6/port.c"/>
+          <file category="include"   condition="CM0_ARMCC6"    name="Source/portable/GCC/ARM_CM0/"/>
+          <file category="source"    condition="CM0_ARMCC6"    name="Source/portable/GCC/ARM_CM0/port.c"/>
+          <file category="source"    condition="CM0_ARMCC6"    name="Source/portable/GCC/ARM_CM0/portasm.c"/>
           <file category="include"   condition="CM3_ARMCC6"    name="Source/portable/GCC/ARM_CM3/"/>
           <file category="source"    condition="CM3_ARMCC6"    name="Source/portable/GCC/ARM_CM3/port.c"/>
           <file category="include"   condition="CM4_ARMCC6"    name="Source/portable/GCC/ARM_CM3/"/>