CMSIS-NN: Fixed component dependency to DSP.

Change-Id: I845afeb2b0d8123a7bcaa6cc0d08d90f5b2e392b
diff --git a/ARM.CMSIS.pdsc b/ARM.CMSIS.pdsc
index ef1fbc0..8f2f1a4 100644
--- a/ARM.CMSIS.pdsc
+++ b/ARM.CMSIS.pdsc
@@ -2334,7 +2334,7 @@
     <!-- CMSIS NN -->
     <condition id="CMSIS NN">
       <description>Components required for NN</description>
-      <require condition="CMSIS DSP"/>
+      <require Cclass="CMSIS" Cgroup="DSP"/>
     </condition>
 
     <!-- RTOS RTX -->