CMSIS-DSP: Update to pdsc so that CMSIS-DSP source is becoming default variant.

Update to version number of CMSIS-DSP binary variant since it has not been updated.

ARM.CMSIS.pdsc

@@ -3092,7 +3092,7 @@ and 8-bit Java bytecodes in Jazelle state.
     </component>
 
     <!-- CMSIS-DSP component -->
-    <component Cclass="CMSIS" Cgroup="DSP" Cvariant="Library" Cversion="1.8.0" isDefaultVariant="true" condition="CMSIS DSP">
+    <component Cclass="CMSIS" Cgroup="DSP" Cvariant="Library" Cversion="1.7.0" condition="CMSIS DSP">
       <description>CMSIS-DSP Library for Cortex-M, SC000, and SC300</description>
       <files>
         <!-- CPU independent -->
@@ -3199,7 +3199,7 @@ and 8-bit Java bytecodes in Jazelle state.
 
       </files>
     </component>
-    <component Cclass="CMSIS" Cgroup="DSP" Cvariant="Source"  Cversion="1.8.0" condition="CMSIS DSP">
+    <component Cclass="CMSIS" Cgroup="DSP" Cvariant="Source"  Cversion="1.8.0" isDefaultVariant="true" condition="CMSIS DSP">
       <description>CMSIS-DSP Library for Cortex-M, SC000, and SC300</description>
       <files>
         <!-- CPU independent -->